Biodiversity Data Journal : Taxonomic Paper
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Taxonomic Paper
Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Annelida, Arthropoda, Bryozoa, Chordata, Ctenophora, Mollusca
expand article infoDiva J Amon, Amanda F Ziegler, Jeffrey C Drazen, Andrei V Grischenko§, Astrid B Leitner, Dhugal J Lindsay|, Janet R Voight, Mary K Wicksten#, Craig M Young¤, Craig R Smith
‡ University of Hawaii, Honolulu, United States of America
§ Perm State National Research University, Perm, Russia
| Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan
¶ The Field Museum, Chicago, United States of America
# Texas A&M University, College Station, United States of America
¤ Oregon Institute of Marine Biology, University of Oregon, Charleston, United States of America
Open Access

Abstract

Background

There is growing interest in mining polymetallic nodules from the abyssal Clarion-Clipperton Zone (CCZ) in the tropical Pacific Ocean. Despite having been the focus of environmental studies for decades, the benthic megafauna of the CCZ remain poorly known. To predict and manage the environmental impacts of mining in the CCZ, baseline knowledge of the megafauna is essential. The ABYSSLINE Project has conducted benthic biological baseline surveys in the UK Seabed Resources Ltd polymetallic-nodule exploration contract area (UK-1). Prior to ABYSSLINE research cruises in 2013 and 2015, no biological studies had been done in this area of the eastern CCZ.

New information

Using a Remotely Operated Vehicle and Autonomous Underwater Vehicle (as well as several other pieces of equipment), the megafauna within the UK Seabed Resources Ltd exploration contract area (UK-1) and at a site ~250 km east of the UK-1 area were surveyed, allowing us to make the first estimates of megafaunal morphospecies richness from the imagery collected. Here, we present an atlas of the abyssal annelid, arthropod, bryozoan, chordate, ctenophore and molluscan megafauna observed and collected during the ABYSSLINE cruises to the UK-1 polymetallic-nodule exploration contract area in the CCZ. There appear to be at least 55 distinct morphospecies (8 Annelida, 12 Arthropoda, 4 Bryozoa, 22 Chordata, 5 Ctenophora, and 4 Mollusca) identified mostly by morphology but also using molecular barcoding for a limited number of animals that were collected. This atlas will aid the synthesis of megafaunal presence/absence data collected by contractors, scientists and other stakeholders undertaking work in the CCZ, ultimately helping to decipher the biogeography of the megafauna in this threatened habitat.

Keywords

deep-sea mining, polymetallic nodule, Clarion-Clipperton Zone, megafauna, atlas

Introduction

The Clarion-Clipperton Zone (CCZ) is an abyssal region of the tropical eastern Pacific Ocean where deep-sea mining may take place in the near future (Ramirez-Llodra et al. 2011, Wedding et al. 2013; Fig. 1). High-grade polymetallic nodules, which could provide a commercial source of copper, cobalt, nickel, and manganese (among other metals), are abundant in this six million km2 region that lies in Areas Beyond National Jurisdiction (ABNJ), and thus falls under the legal mandate of the International Seabed Authority (ISA) (Wedding et al. 2013). Thus far, 16 exploration leases (each up to 75,000 km2 in area) have been granted by the ISA in the CCZ, with those for exploitation expected to soon follow (https://www.isa.org.jm/).

Figure 1.  

Locations of megafaunal surveys during the ABYSSLINE cruises, AB01 and AB02, in the Clarion-Clipperton Zone. (a) The location of the UK Seabed Resources Ltd exploration contract area (UK-1) in the eastern Pacific Ocean. (b) The locations of the 30x30-km survey areas, UK-1 Stratum A and UK-1 Stratum B, in relation to the UK-1 exploration contract area and the AB01 ROV dive site, EPIRB, which was approximately 250 km east of the UK-1 contract area. (c) The locations of ROV dives within UK-1 Stratum A, indicated by purple tracklines labelled with the dive number (e.g. RV01). Stations where imagery was collected with a baited camera (CA01) and samples collected with a baited trap (TR04, TR05, TR06) are also indicated. (d) The locations of AUV dives within UK-1 Stratum B, indicated by purple tracklines labelled with the dive number (e.g. AV01). Stations where imagery was collected with a baited camera (CA02, CA06, CA07, CA08, CA09) and samples collected with a baited trap (TR08) are also indicated. All maps were created by Seafloor Investigations Ltd for the ABYSSLINE Project using ArcGIS software (https://www.arcgis.com/features/).

The ABYSSLINE (ABYSSal BaseLINE) Project was designed to undertake benthic biological baseline studies in accordance with ISA environmental guidelines within the UK Seabed Resources Ltd (UKSRL) exploration contract area (UK-1) (Amon et al. 2016). The UK-1 exploration contract area is one of the easternmost contract areas in the CCZ and encompasses ~58,000 km2 of seafloor (Fig. 1). The ABYSSLINE Project was led by scientists from the University of Hawai’i at Mānoa (USA), and included scientists from Hawai’i Pacific University (USA), the Natural History Museum, London (UK), the National Oceanography Centre, Southampton (UK), Senckenberg Gesellschaft für Naturforschung (Germany), Uni Research (Norway), and the International Research Institute of Stavanger (Norway). The ABYSSLINE Project aimed to evaluate baseline conditions of community structure and biodiversity for megafauna, macrofauna, meiofauna and microbes within the UK-1 contract area and across the CCZ (Amon et al. 2016, Amon et al. 2016, Amon et al. 2017, Dahlgren et al. 2016, Glover et al. 2016, Glover et al. 2015, Leitner et al. 2017, Shulse et al. 2016). No faunal studies had been undertaken in the UK-1 contract area prior to licensing by the ISA in 2013 and the commencement of the ABYSSLINE Project.

It is expected that nodule mining will drastically alter this unique deep-sea habitat with recovery expected to be slow (Amon et al. 2016, Jones et al. 2017, Oebius et al. 2001, Ramirez-Llodra et al. 2011, Vanreusel et al. 2016) and yet, despite increases in technology and the number of expeditions to the area, very little is known about the ecology and biogeography of the fauna inhabiting the region (Amon et al. 2016, Amon et al. 2016, Amon et al. 2017, Bluhm and Gebruk 1999, Dahlgren et al. 2016, Foell and Pawson 1986, Glover et al. 2016, Jones et al. 2017, Leitner et al. 2017, Martinez-Arbizu et al. 2013, Pawson 1983, Pawson and Foell 1986, Roux 2004, Roux and Pawson 1999, Shulse et al. 2016, Tilot 2006, Vanreusel et al. 2016, Vecchione 2016, Wang and Lu 2002). The megafauna constitute an important component of the biodiversity in the abyssal deep sea and play a significant role in deep-sea ecosystem function (Amon et al. 2016, Amon et al. 2017, Amon et al. 2016, Leitner et al. 2017, Smith et al. 2008, Vanreusel et al. 2016). Amon et al. 2016 could not locate a single megafauna record for the UK-1 exploration contract area in OBIS or elsewhere. This is likely the result of a lack of sampling, complete taxonomic identification of specimens and/or ensuring data are publicly available, especially as an abundant and diverse megafauna is already known from the CCZ from photographic and video surveys (Amon et al. 2016, Amon et al. 2017, Amon et al. 2016, Dahlgren et al. 2016, Foell and Pawson 1986, Glover et al. 2016, Leitner et al. 2017, Martinez-Arbizu et al. 2013, Pawson 1983, Pawson and Foell 1986, Tilot 2006, Vanreusel et al. 2016, Vecchione 2016, Wang and Lu 2002). To predict and manage the environmental impacts of mining in the CCZ and within the UK-1 exploration contract area, baseline knowledge of the megafauna is essential; in addition, it will allow for a future complete taxonomic and biogeographic synthesis of the fauna of the CCZ (Wedding et al. 2015).

Here, we present the second section (Annelida, Arthropoda, Bryozoa, Chordata, Ctenophora, and Mollusca) of an anticipated four-section image atlas of benthic megafauna that inhabit the UK-1 exploration contract area based on ROV and AUV surveys and samples collected during two cruises of the ABYSSLINE project. The first in this series (Echinodermata) has already been published (Amon et al. 2017). These two sections will be supported by Cnidaria and Porifera sections in the near future. This atlas was crucial during the ABYSSLINE quantitative megafaunal analyses (Amon et al. 2016) and we hope that it will help standardize putative morphospecies and be useful to other scientists and stakeholders undertaking research in the CCZ in the future.

Materials and methods

The UKSRL exploration contract area (UK-1) is located in the eastern CCZ in the Pacific Ocean (Fig. 1). There were two ABYSSLINE research cruises to the UK-1 exploration contract area: the AB01 or MV1313 cruise on the R/V Melville from 3 to 27 October 2013, and the AB02 or TN319 cruise on the R/V Thompson from 12 February to 25 March 2015. The AB01 cruise focused on a 30x30-km stratum (UK-1 Stratum A) centered at 13°49′ N, 116°36′ W in the northern portion of the UK-1 contract area (Fig. 1). During the AB01 cruise, multibeam bathymetric surveys indicated an abyssal seafloor characterized by ridges and valleys running from NNW to SSE at 3900–4400 m. The commercial Remotely Operated Vehicle (ROV) Remora III, operated by Phoenix International Holdings, performed video surveys and sample collections at four randomly-located sites within UK-1 Stratum A in the UK-1 contract area. Additionally, surveys were done ~250 km to the east of the UK-1 contract area, at a site called "EPIRB" centered at 13°40′ N, 114°24′ W (Fig. 1). Work at the EPIRB site was dictated by an emergency response to an Emergency Position Indicating Radio Beacon (EPIRB) distress signal and, although unplanned, provided a useful broader context for our study.

The ROV was equipped with two manipulators, four ROS QLEDIII lights, one 1Cam Alpha Component high-definition downward-looking "science" video camera (1080p video and 24.1 megapixel stills) and one standard-definition forward-looking “pilot” video camera. During surveys, the vehicle had substantial difficulty maintaining constant altitude, direction and velocity over the seabed, thereby limiting both the usable imagery and specimens collected.

The AB02 cruise focused on a 30x30-km stratum (UK-1 Stratum B) centered at 12°28' N, 116°36' W in the central portion of the UK-1 exploration contract area (Fig. 1). During the AB02 cruise, multibeam bathymetric surveys indicated an abyssal seafloor dominated by numerous high-relief volcanic seamounts between 3500-4300 m (Fig. 1). The Autonomous Underwater Vehicle (AUV) REMUS 6000, operated by Woods Hole Oceanographic Institution, performed image surveys at five randomly-located sites within UK-1 Stratum B (Fig. 1). The AUV was equipped with four ROS QLEDIII lights, and one Prosilica GT3400 high-definition downward-looking still camera (9 megapixel stills).

During both AB01 and AB02, two baited camera systems were also used to collect video of scavenging arthropods and fishes at random locations in both the UK-1 Stratum A and UK-1 Stratum B (Leitner et al. 2017).

Sample collection

The ROV was the primary tool used to collect specimens on the AB01 cruise, however due to significant difficulties, few megafauna were successfully sampled (Amon et al. 2016). Additionally, scavenging arthropods and fishes were captured in a baited trap during both AB01 and AB02 (Leitner et al. 2017). Once the respective sampling equipment was on deck, megafauna were quickly transferred to containers of chilled seawater, photographed, and a tissue subsample taken for DNA analyses. DNA samples were preserved in 80% ethanol and the remainder of the animal was preserved in buffered 4% formalin-seawater solution or 95% ethanol, depending on the taxon. On board, all collected specimens were also imaged, with the resulting images included in this manuscript. After the cruise, morphological samples were sent to taxonomic experts for identification and all specimens sequenced for a range of DNA markers at the Natural History Museum, London, with tissue samples subsequently archived and made openly available for future taxonomic work (Dahlgren et al. 2016, Glover et al. 2015, Glover et al. 2016). All collected specimens were used for taxonomic identifications including ground-truthing identifications based on images.

Megafaunal image surveys and analyes

All imagery from both "pilot" and "science" cameras on the ROV (covering roughly 8,000 m2) collected during AB01 was used during the creation of this atlas (Amon et al. 2016, Amon et al. 2017). All imagery from the AUV (27,178 images covering roughly 500,000 m2) collected during AB02 was also used, although the majority of these images (>20,000 images) were at too high an altitude (>6 m) for megafauna to be resolved and identified. All video from both cameras on the ROV, as well as from the AUV, were viewed multiple times and frames archived of each identifiable megafaunal morphotype or morphospecies.

The criteria used for selection of megafaunal morphospecies during AB01 was that individuals were >2 cm in maximum dimension and that there was sufficient detail to identify them to a putative "species-level" morphotype (Amon et al. 2016). The AUV imagery collected during AB02 was lower resolution forcing the criteria to be modified to megafauna >5 cm only being included. Morphospecies that could not be identified to species but appeared morphologically distinct were assigned a unique informal species name (e.g. Polychaeta morphospecies 1). These were identified by taxonomic experts or by using the "Atlas of Abyssal Megafauna Morphotypes of the Clarion-Clipperton Fracture Zone" created for the ISA (http://ccfzatlas.com/)(Foell and Pawson 1986, Martinez-Arbizu et al. 2013, Tilot 2006). Morphospecies from this study that matched morphotypes listed in the "Atlas of Abyssal Megafauna Morphotypes of the Clarion-Clipperton Fracture Zone (Martinez-Arbizu et al. 2013)" have had a section titled 'Nomenclature' added to their data, which includes their identification from the online atlas. This is in an effort to provide coherence between these CCZ atlases. For morphospecies that were morphologically similar to a well-defined species name, we use the open nomenclature expression "cf.", although a precautionary approach was taken.

This process estimated the number of annelid, arthropod, bryozoan, chordate, ctenophore and mollusc megafauna morphospecies in the UK-1 contract area and eastern CCZ, and will aid in delimiting species ranges in the CCZ. A concise list of morphospecies and their respective locations can be found in the Suppl. material 1. However, since the majority of the morphospecies were not collected, it is impossible to confirm species identities in most cases or undertake systematic studies on this fauna (Amon et al. 2016, Amon et al. 2017).

Annelids of the UKSRL exploration contract area (UK-1) and the eastern Clarion-Clipperton Zone

Phylum Annelida Lamarck, 1809

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Class Polychaeta Grube, 1850

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cf. Polychaeta morphospecies

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  1. scientificName:
    Polychaeta sp.
    ; taxonConceptID:
    cf. Polychaeta morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Annelida
    ; class:
    Polychaeta
    ; taxonRank:
    class
    ; scientificNameAuthorship:
    Grube, 1850
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4035
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8637
    ; decimalLongitude:
    -116.5461
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-21
    ; eventTime:
    1:09
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (RV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Adrian Glover, Helena Wiklund, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Seen on seafloor. No additional distinguishing features to place it beyond class Polychaeta.

Fig. 2

Figure 2.  

cf. Polychaeta morphospecies in situ on the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Image attribution: DJ Amon & CR Smith, University of Hawai’i.

Order Phyllodocida Dales, 1962

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Family Polynoidae Kinberg, 1856

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cf. Polynoidae morphospecies

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  1. scientificName:
    Polynoidae sp.
    ; taxonConceptID:
    cf. Polynoidae morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Annelida
    ; class:
    Polychaeta
    ; order:
    Phyllodocida
    ; family:
    Polynoidae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Kinberg, 1856
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4222
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5849
    ; decimalLongitude:
    -116.7102
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Autonomous Underwater Vehicle
    ; eventDate:
    2015-03-09
    ; eventTime:
    14:37
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (AV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Adrian Glover, Helena Wiklund, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Distinct segments and thick parapodia visible. Pennate shape with body narrowing toward anterior and posterior. Often swimming near the benthos.

Fig. 3

Figure 3.  

cf. Polynoidae morphospecies in situ swimming above the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Image attribution: Woods Hole Oceanographic Institution.

Order Sabellida

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Family Sabellidae Latreille, 1825

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cf. Sabellidae morphospecies 1

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  1. scientificName:
    Sabellidae sp.
    ; taxonConceptID:
    cf. Sabellidae morphospecies 1
    ; kingdom:
    Animalia
    ; phylum:
    Annelida
    ; class:
    Polychaeta
    ; order:
    Sabellida
    ; family:
    Sabellidae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Latreille, 1825
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4029
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8633
    ; decimalLongitude:
    -116.5464
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-21
    ; eventTime:
    9:11
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (RV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Adrian Glover, Helena Wiklund, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Sabellidae sp.
    ; taxonConceptID:
    cf. Sabellidae morphospecies 1
    ; kingdom:
    Animalia
    ; phylum:
    Annelida
    ; class:
    Polychaeta
    ; order:
    Sabellida
    ; family:
    Sabellidae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Latreille, 1825
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    Eastern Clarion-Clipperton Zone
    ; verbatimLocality:
    Site EPIRB
    ; maximumDepthInMeters:
    3934
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.6794
    ; decimalLongitude:
    -114.4105
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-23
    ; eventTime:
    12:28
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 7 (RV07)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Adrian Glover, Helena Wiklund, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Long, straight, and smooth tube emerging from seafloor with conical whorl of feathery tentacles at anterior.

Fig. 4

Figure 4.

cf. Sabellidae morphospecies 1 observed in the UK-1 exploration contract area and eastern CCZ. Images (a-b) correspond with the relevant data above.

acf. Sabellidae morphospecies 1 in situ on the seafloor. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
bcf. Sabellidae morphospecies 1 in situ on the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  

cf. Sabellidae morphospecies 2

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  1. scientificName:
    Sabellidae sp.
    ; taxonConceptID:
    cf. Sabellidae morphospecies 2
    ; kingdom:
    Animalia
    ; phylum:
    Annelida
    ; class:
    Polychaeta
    ; order:
    Sabellida
    ; family:
    Sabellidae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Latreille, 1825
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    Eastern Clarion-Clipperton Zone
    ; verbatimLocality:
    Site EPIRB
    ; maximumDepthInMeters:
    3950
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.6794
    ; decimalLongitude:
    -114.4142
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-23
    ; eventTime:
    9:51
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 7 (RV07)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Adrian Glover, Helena Wiklund, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Thick tube seen protruding from sediment or attached to hard substrate. Whorl of feathery tentacles visible at anterior.

Fig. 5

Figure 5.  

cf. Sabellidae morphospecies 2 attached to a polymetallic nodule on the seafloor in the eastern CCZ. Image corresponds with the data above. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.

Family Serpulidae Rafinesque, 1815

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cf. Serpulidae morphospecies 1

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  1. scientificName:
    Serpulidae sp.
    ; taxonConceptID:
    cf. Serpulidae morphospecies 1
    ; kingdom:
    Animalia
    ; phylum:
    Annelida
    ; class:
    Polychaeta
    ; order:
    Sabellida
    ; family:
    Serpulidae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Rafinesque, 1815
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4024
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8561
    ; decimalLongitude:
    -116.5476
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-21
    ; eventTime:
    2:59
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (RV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Adrian Glover, Helena Wiklund, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

White calcareous tube attached flat to hard substrate with feathery tentacles visible protruding from anterior end of tube.

Fig. 6

Figure 6.  

cf. Serpulidae morphospecies 1 attached to a polymetallic nodule on the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.

cf. Serpulidae morphospecies 2

Material    Download as CSV 
  1. scientificName:
    Serpulidae sp.
    ; taxonConceptID:
    cf. Serpulidae morphospecies 2
    ; kingdom:
    Animalia
    ; phylum:
    Annelida
    ; class:
    Polychaeta
    ; order:
    Sabellida
    ; family:
    Serpulidae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Rafinesque, 1815
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4109
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8498
    ; decimalLongitude:
    -116.6457
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-10
    ; eventTime:
    12:40
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 1 (RV01)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Adrian Glover, Helena Wiklund, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

White calcareous tube seen projecting off hard substrate into water column with feathery tentacles visible from anterior.

Fig. 7

Figure 7.  

cf. Serpulidae morphospecies 2 attached to a polymetallic nodule on the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Image attribution: DJ Amon & CR Smith, University of Hawai’i.

cf. Serpulidae morphospecies 3

Material    Download as CSV 
  1. scientificName:
    Serpulidae sp.
    ; taxonConceptID:
    cf. Serpulidae morphospecies 3
    ; kingdom:
    Animalia
    ; phylum:
    Annelida
    ; class:
    Polychaeta
    ; order:
    Sabellida
    ; family:
    Serpulidae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Rafinesque, 1815
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    Eastern Clarion-Clipperton Zone
    ; verbatimLocality:
    Site EPIRB
    ; maximumDepthInMeters:
    3934
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.6791
    ; decimalLongitude:
    -114.4104
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-23
    ; eventTime:
    10:34
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 7 (RV07)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Adrian Glover, Helena Wiklund, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

White calcareous tube with whorl of feathery tentacles visible from anterior end of tube seen on soft sediment.

Fig. 8

Figure 8.  

cf. Serpulidae morphospecies 3 in situ on the seafloor in the eastern CCZ. Image corresponds with the data above. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.

Order Terebellida sensu Rouse & Fauchald, 1997

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Family Acrocirridae Banse, 1969

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cf. Acrocirridae morphospecies

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  1. scientificName:
    Acrocirridae sp.
    ; taxonConceptID:
    cf. Acrocirridae morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Annelida
    ; class:
    Polychaeta
    ; order:
    Terebellida
    ; family:
    Acrocirridae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Banse, 1969
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    Eastern Clarion-Clipperton Zone
    ; verbatimLocality:
    Site EPIRB
    ; maximumDepthInMeters:
    3915
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.6785
    ; decimalLongitude:
    -114.4067
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-23
    ; eventTime:
    11:14
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 7 (RV07)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Adrian Glover, Helena Wiklund, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Distinct segments visible with long, paddle-like parapodia. Often swimming near the benthos.

Fig. 9

Figure 9.  

cf. Acrocirridae morphospecies in situ swimming above the seafloor in the eastern CCZ. Image corresponds with the data above. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.

Arthropods of the UKSRL exploration contract area (UK-1) and the eastern Clarion-Clipperton Zone

Phylum Arthropoda von Siebold, 1848

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Class Malacostraca Latreille, 1802

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Order Amphipoda Latreille, 1816

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Family Eurytheneidae Stoddart & Lowry, 2004

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Genus Eurythenes Smith in Scudder, 1882

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cf. Eurythenes morphospecies 1

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  1. scientificName:
    Eurythenes sp.
    ; taxonConceptID:
    cf. Eurythenes morphospecies 1
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Amphipoda
    ; family:
    Eurytheneidae
    ; taxonRank:
    genus
    ; genus:
    Eurythenes
    ; scientificNameAuthorship:
    Smith in Scudder, 1882
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4312
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5532
    ; decimalLongitude:
    -116.5386
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    50
    ; samplingProtocol:
    Baited Camera
    ; eventDate:
    2015-03-06
    ; eventTime:
    19:37
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    CA07
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Feeding on bait
    ; recordedBy:
    Jeffrey Drazen, Astrid Leitner
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Leitner A, Neuheimer A, Donlon E, Smith CR, Drazen JC. Environmental and bathymetric influences on abyssal bait-attending communities of the Clarion Clipperton Zone. Deep Sea Research Part I: Oceanographic Research Papers. 2017. doi: 10.1016/j.dsr.2017.04.017
    ; identifiedBy:
    Mary Wicksten, Jeffrey Drazen, Astrid Leitner, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Colour is different so might be a different species than E. magellanicus but the body color in Eurythenes spp. varies according to the stage of the molt cycle.

Fig. 10

Figure 10.  

cf. Eurythenes morphospecies 1 in situ feeding on bait on the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Scale bar is 10 cm. Image attribution: A Leitner and J Drazen, University of Hawai’i.

Eurythenes magellanicus H. Milne Edwards, 1848

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  1. scientificName:
    Eurythenes magellanicus
    ; taxonConceptID:
    Eurythenes magellanicus
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Amphipoda
    ; family:
    Eurytheneidae
    ; taxonRank:
    species
    ; genus:
    Eurythenes
    ; scientificNameAuthorship:
    H. Milne Edwards, 1848
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4170
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.7615
    ; decimalLongitude:
    -116.4655
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    50
    ; samplingProtocol:
    Baited Trap
    ; eventDate:
    2013-10-17
    ; eventTime:
    7:13
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    TR04
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    tissue and DNA voucher stored in 80% non-denatured ethanol aqueous solution and remainder of animal preserved in 4% formaldehyde
    ; catalogNumber:
    AB1-TR04-amph-5
    ; recordNumber:
    AB1-TR04-amph-5
    ; recordedBy:
    Jeffrey Drazen, Astrid Leitner
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Inga Mohrbeck, Mary Wicksten, Jeffrey Drazen, Astrid Leitner, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified by morphology and DNA of collected specimen
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    PreservedSpecimen
Notes: 

This and other amphipods can be distinguished from "true shrimp" (Order Decapoda) by having NO carapace, sessile eyes (no stalks) and three pairs of terminal appendages (uropods). Species of Eurythenes are the largest deep-sea amphipods and often are attracted to bait. Notice that there are large coxal plates at the bases of the legs - these are absent in decapod shrimps.

Fig. 11

Figure 11.

Eurythenes magellanicus after collection via baited trap from the UK-1 exploration contract area. The carapace length of this specimen was 10 cm. Images (a-c) correspond with the data in (a) above.

aSide view of Eurythenes magellanicus after collection. Image attribution: A Leitner and J Drazen.  
bVentral view of Eurythenes magellanicus after collection. Image attribution: A Leitner and J Drazen.  
cFront view of Eurythenes magellanicus after collection. Image attribution: A Leitner and J Drazen.  

Family Podoceridae Leach, 1814

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cf. Podoceridae morphospecies

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  1. scientificName:
    Podoceridae sp.
    ; taxonConceptID:
    cf. Podoceridae morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Amphipoda
    ; family:
    Podoceridae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Leach, 1814
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4073
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.7603
    ; decimalLongitude:
    -116.4678
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-18
    ; eventTime:
    2:45
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 5 (RV05)
    ; individualCount:
    2
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On a sponge stalk
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Mary Wicksten, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

The very large dorsal spines on the posterior part of the body are diagnostic. Often found on stalks in pairs.

Fig. 12

Figure 12.  

A pair (likely male and female) of cf. Podoceridae morphospecies in situ on a sponge stalk in the UK-1 exploration contract area. Image corresponds with the data above. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.

Order Decapoda Latreille, 1802

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Family Aristeidae Wood-Mason in Wood-Mason & Alcock, 1891

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Genus Hemipenaeus Spence Bate, 1881

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Hemipenaeus cf. spinidorsalis Spence Bate, 1881

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  1. scientificName:
    Hemipenaeus spinidorsalis
    ; taxonConceptID:
    Hemipenaeus cf. spinidorsalis
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Decapoda
    ; family:
    Aristeidae
    ; taxonRank:
    species
    ; genus:
    Hemipenaeus
    ; scientificNameAuthorship:
    Spence Bate, 1881
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4046
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8661
    ; decimalLongitude:
    -116.5548
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    50
    ; samplingProtocol:
    Baited Camera
    ; eventDate:
    2013-10-09
    ; eventTime:
    12:05
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    CA01
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Jeffrey Drazen, Astrid Leitner
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Mary Wicksten, Jeffrey Drazen, Astrid Leitner, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Hemipenaeus spinidorsalis
    ; taxonConceptID:
    Hemipenaeus cf. spinidorsalis
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Decapoda
    ; family:
    Aristeidae
    ; taxonRank:
    species
    ; genus:
    Hemipenaeus
    ; scientificNameAuthorship:
    Spence Bate, 1881
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4210
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5684
    ; decimalLongitude:
    -116.7327
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Autonomous Underwater Vehicle
    ; eventDate:
    2015-03-09
    ; eventTime:
    12:17
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (AV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Mary Wicksten, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  3. scientificName:
    Hemipenaeus spinidorsalis
    ; taxonConceptID:
    Hemipenaeus cf. spinidorsalis
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Decapoda
    ; family:
    Aristeidae
    ; taxonRank:
    species
    ; genus:
    Hemipenaeus
    ; scientificNameAuthorship:
    SpenceBate, 1881
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4252
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5103
    ; decimalLongitude:
    -116.6390
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Autonomous Underwater Vehicle
    ; eventDate:
    2015-03-18
    ; eventTime:
    13:36
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 9 (AV09)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Mary Wicksten, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  4. scientificName:
    Hemipenaeus spinidorsalis
    ; taxonConceptID:
    Hemipenaeus cf. spinidorsalis
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Decapoda
    ; family:
    Aristeidae
    ; taxonRank:
    species
    ; genus:
    Hemipenaeus
    ; scientificNameAuthorship:
    Spence Bate, 1881
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4312
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5532
    ; decimalLongitude:
    -116.5386
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    50
    ; samplingProtocol:
    Baited Camera
    ; eventDate:
    2015-03-05
    ; eventTime:
    19:37
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    CA07
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Jeffrey Drazen, Astrid Leitner
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Mary Wicksten, Jeffrey Drazen, Astrid Leitner, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  5. scientificName:
    Hemipenaeus spinidorsalis
    ; taxonConceptID:
    Hemipenaeus cf. spinidorsalis
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Decapoda
    ; family:
    Aristeidae
    ; taxonRank:
    species
    ; genus:
    Hemipenaeus
    ; scientificNameAuthorship:
    Spence Bate, 1881
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4201
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.3836
    ; decimalLongitude:
    -116.4907
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    50
    ; samplingProtocol:
    Baited Camera
    ; eventDate:
    2013-10-19
    ; eventTime:
    17:01
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    CA01
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Jeffrey Drazen, Astrid Leitner
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Mary Wicksten, Jeffrey Drazen, Astrid Leitner, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Red color, toothed rostrum, abdominal appendages very long and setose, antennal scale is round, not elongate-oval, able to swim readily. Likely to be H. spinidorsalis because this is the only species of the genus reported in this part of the Pacific.

Fig. 13

Figure 13.

Hemipenaeus cf. spinidorsalis observed in the UK-1 exploration contract area. Images (a-e) correspond with the relevant data above.

aHemipenaeus cf. spinidorsalis in situ on the seafloor. Scale bar is 10 cm. Image attribution: A Leitner & J Drazen, University of Hawai’i.  
bHemipenaeus cf. spinidorsalis swimming above the seafloor. Scale bar is 10 cm. Image attribution: Woods Hole Oceanographic Institution.  
cHemipenaeus cf. spinidorsalis swimming above the seafloor. Image attribution: Woods Hole Oceanographic Institution.  
dHemipenaeus cf. spinidorsalis in situ on the seafloor. Image attribution: A Leitner & J Drazen, University of Hawai’i.  
eHemipenaeus cf. spinidorsalis swimming above the seafloor. Image attribution: A Leitner & J Drazen, University of Hawai’i.  

Genus Cerataspis Gray, 1828

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Cerataspis cf. monstrosus Gray, 1828

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  1. scientificName:
    Cerataspis monstrosus
    ; taxonConceptID:
    Cerataspis cf. monstrosus
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Decapoda
    ; family:
    Aristeidae
    ; taxonRank:
    species
    ; genus:
    Cerataspis
    ; scientificNameAuthorship:
    Gray, 1828
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4046
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8661
    ; decimalLongitude:
    -116.5548
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    50
    ; samplingProtocol:
    Baited Camera
    ; eventDate:
    2013-10-09
    ; eventTime:
    12:05
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    CA01
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Feeding on bait
    ; recordedBy:
    Jeffrey Drazen, Astrid Leitner
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492; Leitner A, Neuheimer A, Donlon E, Smith CR, Drazen JC. Environmental and bathymetric influences on abyssal bait-attending communities of the Clarion Clipperton Zone. Deep Sea Research Part I: Oceanographic Research Papers. 2017. doi: 10.1016/j.dsr.2017.04.017
    ; identifiedBy:
    Mary Wicksten, Jeffrey Drazen, Astrid Leitner, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Very long abdominal appendages, ability to swim, toothed rostrum, red color, elongate oval antennal scale. One of the largest deep-sea shrimp.

Fig. 14

Figure 14.  

Cerataspis cf. monstrosus in situ feeding on bait on the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Scale bar is 10 cm. Image attribution: A Leitner and J Drazen, University of Hawai'i.

Family Glyphocrangonidae Smith, 1884

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Genus Glyphocrangon A. Milne-Edwards, 1881

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cf. Glyphocrangon morphospecies

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  1. scientificName:
    Glyphocrangon sp.
    ; taxonConceptID:
    cf. Glyphocrangon morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Decapoda
    ; family:
    Glyphocrangonidae
    ; taxonRank:
    genus
    ; genus:
    Glyphocrangon
    ; scientificNameAuthorship:
    Milne-Edwards, 1881
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4222
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5842
    ; decimalLongitude:
    -116.7045
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Autonomous Underwater Vehicle
    ; eventDate:
    2015-03-09
    ; eventTime:
    5:41
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (AV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Mary Wicksten, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Very large round eyes, stocky body, ridged margins on abdominal somites, short legs. In lateral view, carapace bears strong ridges (carinae).

Fig. 15

Figure 15.  

cf. Glyphocrangon morphospecies in situ on the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Scale bar is 10 cm. Image attribution: Woods Hole Oceanographic Institution.

Family Munidopsidae Ortmann, 1898

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Genus Munidopsis Whiteaves, 1874

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cf. Munidopsis morphospecies

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  1. scientificName:
    Munidopsis sp.
    ; taxonConceptID:
    cf. Munidopsis morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Decapoda
    ; family:
    Munidopsidae
    ; taxonRank:
    genus
    ; genus:
    Munidopsis
    ; scientificNameAuthorship:
    Whiteaves, 1874
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    3605
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.4353
    ; decimalLongitude:
    -116.5533
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    50
    ; samplingProtocol:
    Baited Camera
    ; eventDate:
    2015-03-09
    ; eventTime:
    19:15
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    CA09
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Jeffrey Drazen, Astrid Leitner
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Leitner A, Neuheimer A, Donlon E, Smith CR, Drazen JC. Environmental and bathymetric influences on abyssal bait-attending communities of the Clarion Clipperton Zone. Deep Sea Research Part I: Oceanographic Research Papers. 2017. doi: 10.1016/j.dsr.2017.04.017
    ; identifiedBy:
    Mary Wicksten, Jeffrey Drazen, Astrid Leitner, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Pale color, no pigment in eyes, short but strong pincers, three pair of walking legs (pereopods) on each side (not four, as would be seen in a true crab, Brachyura). Mouthparts do not cover oral field (as they usually do in true crabs). To identify the species, one would need a dorsal view.

Fig. 16

Figure 16.  

cf. Munidopsis morphospecies with several Pachycara cf. nazca in situ on the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Scale bar is 10 cm. Image attribution: A Leitner and J Drazen, University of Hawai’i.

Family Nematocarcinidae Smith, 1884

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Genus Nematocarcinus A. Milne-Edwards, 1881

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cf. Nematocarcinus morphospecies

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  1. scientificName:
    Nematocarcinus sp.
    ; taxonConceptID:
    cf. Nematocarcinus morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Decapoda
    ; family:
    Nematocarcinidae
    ; taxonRank:
    genus
    ; genus:
    Nematocarcinus
    ; scientificNameAuthorship:
    Milne-Edwards, 1881
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4032
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8629
    ; decimalLongitude:
    -116.5485
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-21
    ; eventTime:
    4:59
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (RV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Mary Wicksten, Jeffrey Drazen, Astrid Leitner, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Nematocarcinus sp.
    ; taxonConceptID:
    cf. Nematocarcinus morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Decapoda
    ; family:
    Nematocarcinidae
    ; taxonRank:
    genus
    ; genus:
    Nematocarcinus
    ; scientificNameAuthorship:
    Milne-Edwards, 1881
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4021
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8583
    ; decimalLongitude:
    -116.5472
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-21
    ; eventTime:
    2:30
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (RV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Mary Wicksten, Jeffrey Drazen, Astrid Leitner, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Enormously long and slender legs and antennae, slender body, toothed rostrum (not visible in dorsal view), abdominal appendages usually not visible in dorsal view.

Fig. 17

Figure 17.

cf. Nematocarcinus morphospecies observed in the UK-1 exploration contract area. Images (a-b) correspond with the relevant data above.

acf. Nematocarcinus morphospecies in situ on the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
bcf. Nematocarcinus morphospecies in situ on the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  

Family Solenoceridae Wood-Mason in Wood-Mason & Alcock, 1891

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Genus Hymenopenaeus Smith, 1882

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Hymenopenaeus cf. nereus Faxon, 1893

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  1. scientificName:
    Hymenopenaeus nereus
    ; taxonConceptID:
    Hymenopenaeus nereus
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Decapoda
    ; family:
    Solenoceridae
    ; taxonRank:
    species
    ; genus:
    Hymenopeneaus
    ; scientificNameAuthorship:
    Faxon, 1893
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4156
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8885
    ; decimalLongitude:
    -116.6824
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    50
    ; samplingProtocol:
    Baited Trap
    ; eventDate:
    2013-10-19
    ; eventTime:
    4:40
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    TR05
    ; individualCount:
    2
    ; lifeStage:
    Adult
    ; preparations:
    tissue and DNA voucher stored in 80% non-denatured ethanol aqueous solution and remainder of animal preserved in 4% formaldehyde
    ; catalogNumber:
    AB1-TR05-shrimp-2
    ; recordNumber:
    AB1-TR05-shrimp-2
    ; recordedBy:
    Jeffrey Drazen, Astrid Leitner
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492; Leitner A, Neuheimer A, Donlon E, Smith CR, Drazen JC. Environmental and bathymetric influences on abyssal bait-attending communities of the Clarion Clipperton Zone. Deep Sea Research Part I: Oceanographic Research Papers. 2017. doi: 10.1016/j.dsr.2017.04.017
    ; identifiedBy:
    Mary Wicksten, Jeffrey Drazen, Astrid Leitner, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified by morphology of collected specimen
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    PreservedSpecimen
  2. scientificName:
    Hymenopenaeus nereus
    ; taxonConceptID:
    Hymenopenaeus cf. nereus
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Decapoda
    ; family:
    Solenoceridae
    ; taxonRank:
    species
    ; genus:
    Hymenopeneaus
    ; scientificNameAuthorship:
    Faxon, 1893
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4071
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.7604
    ; decimalLongitude:
    -116.4679
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-18
    ; eventTime:
    2:21
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 5 (RV05)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492; Leitner A, Neuheimer A, Donlon E, Smith CR, Drazen JC. Environmental and bathymetric influences on abyssal bait-attending communities of the Clarion Clipperton Zone. Deep Sea Research Part I: Oceanographic Research Papers. 2017. doi: 10.1016/j.dsr.2017.04.017
    ; identifiedBy:
    Mary Wicksten, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  3. scientificName:
    Hymenopenaeus nereus
    ; taxonConceptID:
    Hymenopenaeus cf. nereus
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Decapoda
    ; family:
    Solenoceridae
    ; taxonRank:
    species
    ; genus:
    Hymenopeneaus
    ; scientificNameAuthorship:
    Faxon, 1893
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4070
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.7604
    ; decimalLongitude:
    -116.4678
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-18
    ; eventTime:
    2:44
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 5 (RV05)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492; Leitner A, Neuheimer A, Donlon E, Smith CR, Drazen JC. Environmental and bathymetric influences on abyssal bait-attending communities of the Clarion Clipperton Zone. Deep Sea Research Part I: Oceanographic Research Papers. 2017. doi: 10.1016/j.dsr.2017.04.017
    ; identifiedBy:
    Mary Wicksten, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  4. scientificName:
    Hymenopenaeus nereus
    ; taxonConceptID:
    Hymenopenaeus cf. nereus
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Decapoda
    ; family:
    Solenoceridae
    ; taxonRank:
    species
    ; genus:
    Hymenopeneaus
    ; scientificNameAuthorship:
    Faxon, 1893
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4267
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5667
    ; decimalLongitude:
    -116.7082
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    50
    ; samplingProtocol:
    Baited Camera
    ; eventDate:
    2015-02-21
    ; eventTime:
    20:06
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    CA02
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Jeffrey Drazen, Astrid Leitner
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492; Leitner A, Neuheimer A, Donlon E, Smith CR, Drazen JC. Environmental and bathymetric influences on abyssal bait-attending communities of the Clarion Clipperton Zone. Deep Sea Research Part I: Oceanographic Research Papers. 2017. doi: 10.1016/j.dsr.2017.04.017
    ; identifiedBy:
    Mary Wicksten, Jeffrey Drazen, Astrid Leitner, Diva J. Amon, Amanda Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Short rostrum with few teeth, slender abdomen, very long thread-like legs, second abdominal somite does not overlap first or third somite.

Fig. 18

Figure 18.

Hymenopenaeus cf. nereus observed in the UK-1 exploration contract area. Images (a-d) correspond with the relevant data above.

aHymenopenaeus nereus after collection via baited trap from the UK-1 exploration contract area. Scale bar is 10 cm. Image attribution: A Leitner and J Drazen, University of Hawai’i.  
bHymenopenaeus cf. nereus in situ on the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon and CR Smith, University of Hawai’i.  
cHymenopenaeus cf. nereus in situ on the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon and CR Smith, University of Hawai’i.  
dHymenopenaeus cf. nereus in situ on the seafloor (centre of image) with an aristeid shrimp (nearest to top of image). Image attribution: A Leitner and J Drazen, University of Hawai’i.  

Family Stylodactylidae Spence Bate, 1888

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Genus Bathystylodactylus Hanamura & Takeda, 1996

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cf. Bathystylodactylus morphospecies

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  1. scientificName:
    Bathystylodactylus sp.
    ; taxonConceptID:
    cf. Bathystylodactylus morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Decapoda
    ; family:
    Stylodactylidae
    ; taxonRank:
    genus
    ; genus:
    Bathystylodactylus
    ; scientificNameAuthorship:
    Hanamura & Takeda, 1996
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    Eastern Clarion-Clipperton Zone
    ; verbatimLocality:
    Site EPIRB
    ; maximumDepthInMeters:
    3922
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.6786
    ; decimalLongitude:
    -114.4074
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-23
    ; eventTime:
    11:07
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 7 (RV07)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Mary Wicksten, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Elongate setose legs and rostrum, abdominal appendages do not protrude laterally, shrimp is pale pink, not red, posture is with front of body angled slightly upward from sediment surface.

Fig. 19

Figure 19.  

cf. Bathystylodactylus morphospecies in situ on the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Scale bar is 10 cm. Image attribution: Woods Hole Oceanographic Institution.

Order Isopoda Latreille, 1817

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Family Munnopsidae Lilljeborg, 1864

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cf. Munnopsidae morphospecies

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  1. scientificName:
    Munnopsidae sp.
    ; taxonConceptID:
    cf. Munnopsidae morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Isopoda
    ; family:
    Munnopsidae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Lilljeborg, 1864
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4070
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.7603
    ; decimalLongitude:
    -116.4678
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-18
    ; eventTime:
    2:57
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 5 (RV05)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On a sponge
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Mary Wicksten, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Munnopsidae sp.
    ; taxonConceptID:
    cf. Munnopsidae morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Malacostraca
    ; order:
    Isopoda
    ; family:
    Munnopsidae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Lilljeborg, 1864
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4110
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8500
    ; decimalLongitude:
    -116.6456
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-10
    ; eventTime:
    11:27
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 1 (RV01)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Mary Wicksten, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Like amphipods, isopods lack a carapace and have eyes set into the head. Very long spider-like legs and compact body. Distinguished from true sea spiders (Pycnogonida), which have a long anterior proboscis and a segmented slender body.

Fig. 20

Figure 20.

cf. Munnopsidae morphospecies observed in the UK-1 exploration contract area. Images (a-b) correspond with the data in (a) above, whereas image (c) corresponds with the data in (b) above.

aFront view of cf. Munnopsidae morphospecies in situ on a sponge. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
bDorsal view of cf. Munnopsidae morphospecies in situ on a sponge. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
ccf. Munnopsidae morphospecies in situ on the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  

Class Hexanauplia Oakley, Wolfe, Lindgren & Zaharof, 2013

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Order Scalpelliformes Buckeridge & Newman, 2006

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Family Scalpellidae Pilsbry, 1907

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Genus Neoscalpellum Pilsbry, 1907

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cf. Neoscalpellum morphospecies

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  1. scientificName:
    Neoscalpellum sp.
    ; taxonConceptID:
    cf. Neoscalpellum morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Arthropoda
    ; class:
    Hexanauplia
    ; order:
    Scalpelliformes
    ; family:
    Scalpellidae
    ; taxonRank:
    genus
    ; genus:
    Neoscalpellum
    ; scientificNameAuthorship:
    Pilsbry, 1907
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4025
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8646
    ; decimalLongitude:
    -116.5481
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-21
    ; eventTime:
    6:10
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (RV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Mary Wicksten, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Ovate upper area (the capitulum) and large uncalcified areas between plates.

Fig. 21

Figure 21.  

cf. Neoscalpellum morphospecies attached to a polymetallic nodule on the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Image attribution: DJ Amon & CR Smith, University of Hawai’i.

Bryozoans of the UKSRL exploration contract area (UK-1) and the eastern Clarion-Clipperton Zone

Phylum Bryozoa Ehrenberg, 1831

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Class Gymnolaemata Allman, 1856

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Order Cheilostomatida Busk, 1852

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Superfamily Bifaxarioidea Busk, 1884

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Family Bifaxariidae Busk, 1884

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Genus Smithsonius Gordon, 1988

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cf. Smithsonius morphospecies

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  1. scientificName:
    Smithsonius sp.
    ; taxonConceptID:
    cf. Smithsonius morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Bryozoa
    ; class:
    Gymnolaemata
    ; order:
    Cheilostomatida
    ; family:
    Bifaxariidae
    ; taxonRank:
    genus
    ; genus:
    Smithsonius
    ; scientificNameAuthorship:
    Gordon, 1988
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4024
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8646
    ; decimalLongitude:
    -116.5481
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-21
    ; eventTime:
    8:24
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (RV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Andrei Grischenko, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Smithsonius sp.
    ; taxonConceptID:
    cf. Smithsonius morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Bryozoa
    ; class:
    Gymnolaemata
    ; order:
    Cheilostomatida
    ; family:
    Bifaxariidae
    ; taxonRank:
    genus
    ; genus:
    Smithsonius
    ; scientificNameAuthorship:
    Gordon, 1988
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4119
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8498
    ; decimalLongitude:
    -116.6457
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-10
    ; eventTime:
    12:39
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 1 (RV01)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Andrei Grischenko, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  3. scientificName:
    Smithsonius sp.
    ; taxonConceptID:
    cf. Smithsonius morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Bryozoa
    ; class:
    Gymnolaemata
    ; order:
    Cheilostomatida
    ; family:
    Bifaxariidae
    ; taxonRank:
    genus
    ; genus:
    Smithsonius
    ; scientificNameAuthorship:
    Gordon, 1988
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    Eastern Clarion-Clipperton Zone
    ; verbatimLocality:
    Site EPIRB
    ; maximumDepthInMeters:
    3944
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.6794
    ; decimalLongitude:
    -114.4126
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-23
    ; eventTime:
    10:10
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 7 (RV07)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Andrei Grischenko, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  4. scientificName:
    Smithsonius sp.
    ; taxonConceptID:
    cf. Smithsonius morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Bryozoa
    ; class:
    Gymnolaemata
    ; order:
    Cheilostomatida
    ; family:
    Bifaxariidae
    ; taxonRank:
    genus
    ; genus:
    Smithsonius
    ; scientificNameAuthorship:
    Gordon, 1988
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    Eastern Clarion-Clipperton Zone
    ; verbatimLocality:
    Site EPIRB
    ; maximumDepthInMeters:
    3953
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.6797
    ; decimalLongitude:
    -114.4146
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-23
    ; eventTime:
    13:21
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 7 (RV07)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Andrei Grischenko, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Fixed-erect colonies with solid bifurcating branches possessing alternately arranged zooids facing in the opposite directions.

Fig. 22

Figure 22.

cf. Smithsonius morphospecies observed in the UK-1 exploration contract area and eastern CCZ. Images (a-d) correspond with the relevant data above.

acf. Smithsonius morphospecies attached to a polymetallic nodule on the seafloor. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
bcf. Smithsonius morphospecies attached to a polymetallic nodule on the seafloor. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
ccf. Smithsonius morphospecies attached to a polymetallic nodule on the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
dcf. Smithsonius morphospecies attached to a polymetallic nodule on the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  

Superfamily Buguloidea Gray, 1848

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Family Candidae d'Orbigny, 1851

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Genus Notoplites Harmer, 1923

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cf. Notoplites morphospecies

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  1. scientificName:
    Notoplites sp.
    ; taxonConceptID:
    cf. Notoplites morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Bryozoa
    ; class:
    Gymnolaemata
    ; order:
    Cheilostomatida
    ; family:
    Candidae
    ; taxonRank:
    genus
    ; genus:
    Notoplites
    ; scientificNameAuthorship:
    Harmer, 1923
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4110
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8484
    ; decimalLongitude:
    -116.6567
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-10
    ; eventTime:
    11:10
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 1 (RV01)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Andrei Grischenko, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Notoplites sp.
    ; taxonConceptID:
    cf. Notoplites morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Bryozoa
    ; class:
    Gymnolaemata
    ; order:
    Cheilostomatida
    ; family:
    Candidae
    ; taxonRank:
    genus
    ; genus:
    Notoplites
    ; scientificNameAuthorship:
    Harmer, 1923
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    Eastern Clarion-Clipperton Zone
    ; verbatimLocality:
    Site EPIRB
    ; maximumDepthInMeters:
    3914
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.6793
    ; decimalLongitude:
    -114.4072
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-23
    ; eventTime:
    11:52
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 7 (RV07)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Andrei Grischenko, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  3. scientificName:
    Notoplites sp.
    ; taxonConceptID:
    cf. Notoplites morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Bryozoa
    ; class:
    Gymnolaemata
    ; order:
    Cheilostomatida
    ; family:
    Candidae
    ; taxonRank:
    genus
    ; genus:
    Notoplites
    ; scientificNameAuthorship:
    Harmer, 1923
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4110
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8502
    ; decimalLongitude:
    -116.6457
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-10
    ; eventTime:
    12:05
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 1 (RV01)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Andrei Grischenko, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  4. scientificName:
    Notoplites sp.
    ; taxonConceptID:
    cf. Notoplites morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Bryozoa
    ; class:
    Gymnolaemata
    ; order:
    Cheilostomatida
    ; family:
    Candidae
    ; taxonRank:
    genus
    ; genus:
    Notoplites
    ; scientificNameAuthorship:
    Harmer, 1923
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4026
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8647
    ; decimalLongitude:
    -116.5482
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-21
    ; eventTime:
    5:34
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (RV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Andrei Grischenko, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Rooted arborescent colonies with delicate bifurcating branches interconnected by transverse parallel series of chitinous tubes (fibers).

Fig. 23

Figure 23.

cf. Notoplites morphospecies observed in the UK-1 exploration contract area and eastern CCZ. Images (a-d) correspond with the relevant data above.

acf. Notoplites morphospecies (the branching delicate colony in the centre of image) attached to a polymetallic nodule on the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
bcf. Notoplites morphospecies attached to a polymetallic nodule on the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
ccf. Notoplites morphospecies attached to a polymetallic nodule on the seafloor. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
dcf. Notoplites morphospecies attached to a polymetallic nodule on the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  

Superfamily Calloporoidea Norman, 1903

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Family Farciminariidae Busk, 1852

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Genus Columnella Levinsen, 1914

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cf. Columnella morphospecies

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  1. scientificName:
    Columnella sp.
    ; taxonConceptID:
    cf. Columnella morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Bryozoa
    ; class:
    Gymnolaemata
    ; order:
    Cheilostomatida
    ; family:
    Farciminariidae
    ; taxonRank:
    genus
    ; genus:
    Columnella
    ; scientificNameAuthorship:
    Levinsen, 1914
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4110
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8500
    ; decimalLongitude:
    -116.6456
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-10
    ; eventTime:
    13:17
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 1 (RV01)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Andrei Grischenko, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Rooted arborescent, lightly calcified colony with slender, bifurcating branches.

Fig. 24

Figure 24.  

cf. Columnella morphospecies attached to a polymetallic nodule on the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Image attribution: DJ Amon & CR Smith, University of Hawai’i.

Superfamily Lepralielloidea Vigneaux, 1949

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cf. Lepralielloidea morphospecies

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  1. scientificName:
    Lepralielloidea sp.
    ; taxonConceptID:
    cf. Lepralielloidea morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Bryozoa
    ; class:
    Gymnolaemata
    ; order:
    Cheilostomatida
    ; taxonRank:
    superfamily
    ; scientificNameAuthorship:
    Vigneaux, 1949
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4110
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8484
    ; decimalLongitude:
    -116.6567
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-10
    ; eventTime:
    11:10
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 1 (RV01)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Andrei Grischenko, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Fixed-erect colony with relatively short stem followed by four solid dichotomous branches.

Fig. 25

Figure 25.  

cf. Lepralielloidea morphospecies (small white colony nearest to bottom of the image) attached to a polymetallic nodule on the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.

Chordates of the UKSRL exploration contract area (UK-1) and the eastern Clarion-Clipperton Zone

Phylum Chordata Haeckel, 1874

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Class Ascidiacea Blainville, 1824

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Order Phlebobranchia Lahille, 1886

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cf. Phlebobranchia morphospecies 1

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  1. scientificName:
    Phlebobranchia sp.
    ; taxonConceptID:
    cf. Phlebobranchia morphospecies 1
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Ascidiacea
    ; order:
    Phlebobranchia
    ; taxonRank:
    order
    ; scientificNameAuthorship:
    Lahille, 1886
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4033
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8636
    ; decimalLongitude:
    -116.5486
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-21
    ; eventTime:
    5:10
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (RV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Craig Young, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Elongate phlebobranch ascidian. A branching transparent stolon to the left of the ascidian may be part of the individual, but this is not certain.

Fig. 26

Figure 26.  

cf. Phlebobranchia morphospecies 1 attached to a polymetallic nodule on the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.

cf. Phlebobranchia morphospecies 2

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  1. scientificName:
    Phlebobranchia sp.
    ; taxonConceptID:
    cf. Phlebobranchia morphospecies 2
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Ascidiacea
    ; order:
    Phlebobranchia
    ; taxonRank:
    order
    ; scientificNameAuthorship:
    Lahille, 1886
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4101
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8518
    ; decimalLongitude:
    -116.6448
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-10
    ; eventTime:
    16:57
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 1 (RV01)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Craig Young, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Very transparent ascidian approximately twice as long as it is wide. Larger incurrent siphon points anteriorally. Smaller atrial siphon points to the side. Rows of bright white spots are probably not part of the ascidian.

Fig. 27

Figure 27.  

cf. Phlebobranchia morphospecies 2 attached to a polymetallic nodule on the seafloor in the UK-1 exploration contract area. It is attached to another organism that resembles a narrow stalk. Image corresponds with the data above. Image attribution: DJ Amon & CR Smith, University of Hawai’i.

Family Octacnemidae Herdman, 1888

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Genus Dicopia Sluiter, 1905

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cf. Dicopia morphospecies

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  1. scientificName:
    Dicopia sp.
    ; taxonConceptID:
    cf. Dicopia morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Ascidiacea
    ; order:
    Phlebobranchia
    ; family:
    Octacnemidae
    ; taxonRank:
    genus
    ; genus:
    Dicopia
    ; scientificNameAuthorship:
    Sluiter, 1905
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    Eastern Clarion-Clipperton Zone
    ; verbatimLocality:
    Site EPIRB
    ; maximumDepthInMeters:
    3927
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.6789
    ; decimalLongitude:
    -114.4093
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-23
    ; eventTime:
    10:47
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 7 (RV07)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Craig Young, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Dicopia sp.
    ; taxonConceptID:
    cf. Dicopia morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Ascidiacea
    ; order:
    Phlebobranchia
    ; family:
    Octacnemidae
    ; taxonRank:
    genus
    ; genus:
    Dicopia
    ; scientificNameAuthorship:
    Sluiter, 1905
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4063
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.9666
    ; decimalLongitude:
    -116.5573
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-15
    ; eventTime:
    23:58
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 3 (RV03)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Craig Young, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Attached to polymetallic nodules by a short, thick stalk of transparent tunic. Expansive incurrent siphon appears as a smiling mouth on the side of the animal. Large incurrent (atrial) siphon on top appears as a transparent region when open. Nearly circular in shape when viewed from above.

Fig. 28

Figure 28.

cf. Dicopia morphospecies observed in the UK-1 exploration contract area and eastern CCZ. Image (a) corresponds with the data in (a) above whereas images (b-c) correspond with the data above in (b).

acf. Dicopia morphospecies attached to a polymetallic nodule on the seafloor. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
bcf. Dicopia morphospecies attached to a polymetallic nodule on the seafloor. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
ccf. Dicopia morphospecies attached to a polymetallic nodule on the seafloor. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  

Genus Megalodicopia Oka, 1918

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cf. Megalodicopia morphospecies

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  1. scientificName:
    Megalodicopia sp.
    ; taxonConceptID:
    cf. Megalodicopia morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Ascidiacea
    ; order:
    Phlebobranchia
    ; family:
    Octacnemidae
    ; taxonRank:
    genus
    ; genus:
    Megalodicopia
    ; scientificNameAuthorship:
    Oka, 1918
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    Eastern Clarion-Clipperton Zone
    ; verbatimLocality:
    Site EPIRB
    ; maximumDepthInMeters:
    3920
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.6787
    ; decimalLongitude:
    -114.4072
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-23
    ; eventTime:
    11:09
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 7 (RV07)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Craig Young, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Megalodicopia sp.
    ; taxonConceptID:
    cf. Megalodicopia morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Ascidiacea
    ; order:
    Phlebobranchia
    ; family:
    Octacnemidae
    ; taxonRank:
    genus
    ; genus:
    Megalodicopia
    ; scientificNameAuthorship:
    Oka, 1918
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4242
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    12.4970
    ; decimalLongitude:
    -116.6372
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Autonomous Underwater Vehicle
    ; eventDate:
    2015-03-18
    ; eventTime:
    9:40
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 9 (AV09)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Craig Young, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Round transparent ascidian on a thick stalk of tunic that stands higher off the bottom than Dicopia. Excurrent siphon is also much smaller than that of Dicopia.

Fig. 29

Figure 29.

cf. Megalodicopia morphospecies observed in the UK-1 exploration contract area and eastern CCZ. Images (a-b) correspond with the relevant data above.

acf. Megalodicopia morphospecies attached to a polymetallic nodule on the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
bcf. Megalodicopia morphospecies attached to a polymetallic nodule on the seafloor. Image attribution: Woods Hole Oceanographic Institution.  

Genus Situla Vinogradova, 1969

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cf. Situla morphospecies

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  1. scientificName:
    Situla sp.
    ; taxonConceptID:
    cf. Situla morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Ascidiacea
    ; order:
    Phlebobranchia
    ; family:
    Octacnemidae
    ; taxonRank:
    genus
    ; genus:
    Situla
    ; scientificNameAuthorship:
    Vinogradova, 1969
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4057
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.9671
    ; decimalLongitude:
    -116.5587
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-16
    ; eventTime:
    0:14
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 3 (RV03)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Craig Young, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Situla sp.
    ; taxonConceptID:
    cf. Situla morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Ascidiacea
    ; order:
    Phlebobranchia
    ; family:
    Octacnemidae
    ; taxonRank:
    genus
    ; genus:
    Situla
    ; scientificNameAuthorship:
    Vinogradova, 1969
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4215
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    12.5896
    ; decimalLongitude:
    -116.7089
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Autonomous Underwater Vehicle
    ; eventDate:
    2015-03-09
    ; eventTime:
    14:31
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (AV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Craig Young, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  3. scientificName:
    Situla sp.
    ; taxonConceptID:
    cf. Situla morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Ascidiacea
    ; order:
    Phlebobranchia
    ; family:
    Octacnemidae
    ; taxonRank:
    genus
    ; genus:
    Situla
    ; scientificNameAuthorship:
    Vinogradova, 1969
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4097
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8527
    ; decimalLongitude:
    -116.6444
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-10
    ; eventTime:
    17:05
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 1 (RV01)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On nodule
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Craig Young, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Large transparent ascidian most often attached to the side of a rock by means of a short but stout tunic stalk. In contrast to Dicopia or Megadicopia, this species is somewhat elongated laterally. The excurrent siphon is smaller in diameter than that of Dicopia.

Fig. 30

Figure 30.

cf. Situla morphospecies observed in the UK-1 exploration contract area. Images (a-c) correspond with the relevant data above.

acf. Situla morphospecies attached to a polymetallic nodule on the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
bcf. Situla morphospecies attached to a polymetallic nodule on the seafloor. Scale bar is 10 cm. Image attribution: Woods Hole Oceanographic Institution.  
ccf. Situla morphospecies attached to a polymetallic nodule on the seafloor. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  

Class Actinopterygii

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cf. Actinopterygii morphospecies

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  1. scientificName:
    Actinopterygii sp.
    ; taxonConceptID:
    cf. Actinopterygii morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; taxonRank:
    class
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4223
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5887
    ; decimalLongitude:
    -116.7169
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Autonomous Underwater Vehicle
    ; eventDate:
    2015-03-09
    ; eventTime:
    8:30
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (AV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Rounded head with large rounded pectoral fins tapering to a thin tail.

Fig. 31

Figure 31.  

cf. Actinopterygii morphospecies observed swimming above the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Scale bar is 10 cm. Image attribution: Woods Hole Oceanographic Institution.

Order Anguilliformes

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Family Synaphobranchidae Johnson, 1862

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Genus Histiobranchus Gill, 1883

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Histiobranchus cf. bathybius Günther, 1877

Nomenclature: 

In the “Atlas of Abyssal Megafauna Morphotypes of the Clarion-Clipperton Fracture Zone” created for the ISA (http://ccfzatlas.com/), this morphospecies is listed as "Synaphobranchidae morphotype".

Materials    Download as CSV 
  1. scientificName:
    Histiobranchus bathybius
    ; taxonConceptID:
    Histiobranchus cf. bathybius
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Anguilliformes
    ; family:
    Synaphobranchidae
    ; taxonRank:
    species
    ; genus:
    Histiobranchus
    ; scientificNameAuthorship:
    Günther, 1877
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4249
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5035
    ; decimalLongitude:
    -116.6441
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Autonomous Underwater Vehicle
    ; eventDate:
    2015-03-04
    ; eventTime:
    7:58
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 5 (AV05)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Leitner A, Neuheimer A, Donlon E, Smith CR, Drazen JC. Environmental and bathymetric influences on abyssal bait-attending communities of the Clarion Clipperton Zone. Deep Sea Research Part I: Oceanographic Research Papers. 2017. doi: 10.1016/j.dsr.2017.04.017
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Histiobranchus bathybius
    ; taxonConceptID:
    Histiobranchus cf. bathybius
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Anguilliformes
    ; family:
    Synaphobranchidae
    ; taxonRank:
    species
    ; genus:
    Histiobranchus
    ; scientificNameAuthorship:
    Günther, 1877
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4263
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.4526
    ; decimalLongitude:
    -116.6488
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    50
    ; samplingProtocol:
    Baited Camera
    ; eventDate:
    2015-03-07
    ; eventTime:
    17:06
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    CA08
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Feeding on bait
    ; recordedBy:
    Jeffrey Drazen, Astrid Leitner
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Leitner A, Neuheimer A, Donlon E, Smith CR, Drazen JC. Environmental and bathymetric influences on abyssal bait-attending communities of the Clarion Clipperton Zone. Deep Sea Research Part I: Oceanographic Research Papers. 2017. doi: 10.1016/j.dsr.2017.04.017
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Elongated eel-like body with small pectoral fins and large jaws extending well past eye. Dorsal fin insertion before anus. Generally white to grey. No prominent lateral line pores. Notch near the end of the anal fin.

Fig. 32

Figure 32.

Histiobranchus cf. bathybius observed in the UK-1 exploration contract area. Image (a) corresponds with the data in (a) above, whereas images (b-d) correspond with the data in (b) above.

aHistiobranchus cf. bathybius swimming above the seafloor. Scale bar is 10 cm. Image attribution: Woods Hole Oceanographic Institution.  
bHistiobranchus cf. bathybius in situ feeding on bait on the seafloor. Image attribution: A Leitner & J Drazen, University of Hawai’i.  
cHistiobranchus cf. bathybius feeding on bait on the seafloor. Image attribution: A Leitner & J Drazen, University of Hawai’i.  
dHistiobranchus cf. bathybius (foreground) feeding on bait on the seafloor with a cf. Coryphaenoides morphospecies (background). Image attribution: A Leitner & J Drazen, University of Hawai’i.  

Order Aulopiformes

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Family Bathysauridae Fowler, 1944

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Genus Bathysaurus Günther, 1878

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Bathysaurus cf. mollis Günther, 1878

Nomenclature: 

In the “Atlas of Abyssal Megafauna Morphotypes of the Clarion-Clipperton Fracture Zone” created for the ISA (http://ccfzatlas.com/), this morphospecies is listed as "Bathysaurus mollis".

Materials    Download as CSV 
  1. scientificName:
    Bathysaurus mollis
    ; taxonConceptID:
    Bathysaurus cf. mollis
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Aulopiformes
    ; family:
    Bathysauridae
    ; taxonRank:
    species
    ; genus:
    Bathysaurus
    ; scientificNameAuthorship:
    Gunther, 1878
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4028
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8618
    ; decimalLongitude:
    -116.5484
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-21
    ; eventTime:
    4:45
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (RV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Bathysaurus mollis
    ; taxonConceptID:
    Bathysaurus cf. mollis
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Aulopiformes
    ; family:
    Bathysauridae
    ; taxonRank:
    species
    ; genus:
    Bathysaurus
    ; scientificNameAuthorship:
    Gunther, 1878
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4226
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5787
    ; decimalLongitude:
    -116.7246
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Autonomous Underwater Vehicle
    ; eventDate:
    2015-03-09
    ; eventTime:
    6:44
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (AV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

White to grey/silvery body with flattened, depressed head and gold to green, round reflective eyes. Large mouth with jaw extending past eye and prominent teeth. Typical posture is perched on substrate with all fins extended.

Fig. 33

Figure 33.

Bathysaurus cf. mollis observed in the UK-1 exploration contract area. Images (a-b) correspond with the data in (a) above, whereas image (c) correponds with the data in (b).

aDorsal view of Bathysaurus cf. mollis swimming above the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
bSide view of Bathysaurus cf. mollis swimming above the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
cBathysaurus cf. mollis in situ on the seafloor. Scale bar is 10 cm. Image attribution: Woods Hole Oceanographic Institution.  

Family Ipnopidae Gill, 1884

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Genus Ipnops Günther, 1878

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Ipnops cf. meadi Nielsen, 1966

Nomenclature: 

In the “Atlas of Abyssal Megafauna Morphotypes of the Clarion-Clipperton Fracture Zone” created for the ISA (http://ccfzatlas.com/), this morphospecies is listed as "Ipnops morphotype".

Materials    Download as CSV 
  1. scientificName:
    Ipnops meadi
    ; taxonConceptID:
    Ipnops cf. meadi
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Aulopiformes
    ; family:
    Ipnopidae
    ; taxonRank:
    species
    ; genus:
    Ipnops
    ; scientificNameAuthorship:
    Nielsen, 1966
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4028
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8637
    ; decimalLongitude:
    -116.5462
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-21
    ; eventTime:
    1:09
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (RV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Ipnops meadi
    ; taxonConceptID:
    Ipnops cf. meadi
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Aulopiformes
    ; family:
    Ipnopidae
    ; taxonRank:
    species
    ; genus:
    Ipnops
    ; scientificNameAuthorship:
    Nielsen, 1966
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4027
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8605
    ; decimalLongitude:
    -116.5483
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-21
    ; eventTime:
    4:29
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (RV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Thin slender, black body with large, bright, reflective, plate-like eyes and large mouth.

Fig. 34

Figure 34.

Ipnops cf. meadi observed in the UK-1 exploration contract area. Images (a-b) correspond with the relevant data above.

aIpnops cf. meadi in situ on the seafloor. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
bIpnops cf. meadi in situ on the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  

Order Gadiformes

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Family Macrouridae Bonaparte, 1831

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Genus Coryphaenoides Gunnerus, 1765

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cf. Coryphaenoides morphospecies

Nomenclature: 

In the “Atlas of Abyssal Megafauna Morphotypes of the Clarion-Clipperton Fracture Zone” created for the ISA (http://ccfzatlas.com/), this morphospecies is listed as "Coryphaenoides morphotype".

Materials    Download as CSV 
  1. scientificName:
    Coryphaenoides sp.
    ; taxonConceptID:
    cf. Coryphaenoides morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Gadiformes
    ; family:
    Macrouridae
    ; taxonRank:
    genus
    ; genus:
    Coryphaenoides
    ; scientificNameAuthorship:
    Gunnerus, 1765
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4064
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.9628
    ; decimalLongitude:
    -116.5510
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-16
    ; eventTime:
    5:15
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 3 (RV03)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492; Leitner A, Neuheimer A, Donlon E, Smith CR, Drazen JC. Environmental and bathymetric influences on abyssal bait-attending communities of the Clarion Clipperton Zone. Deep Sea Research Part I: Oceanographic Research Papers. 2017. doi: 10.1016/j.dsr.2017.04.017
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Coryphaenoides sp.
    ; taxonConceptID:
    cf. Coryphaenoides morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Gadiformes
    ; family:
    Macrouridae
    ; taxonRank:
    genus
    ; genus:
    Coryphaenoides
    ; scientificNameAuthorship:
    Gunnerus, 1765
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4221
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5877
    ; decimalLongitude:
    -116.7179
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Autonomous Underwater Vehicle
    ; eventDate:
    2015-03-09
    ; eventTime:
    8:31
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (AV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492; Leitner A, Neuheimer A, Donlon E, Smith CR, Drazen JC. Environmental and bathymetric influences on abyssal bait-attending communities of the Clarion Clipperton Zone. Deep Sea Research Part I: Oceanographic Research Papers. 2017. doi: 10.1016/j.dsr.2017.04.017
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  3. scientificName:
    Coryphaenoides yaquinae
    ; taxonConceptID:
    Coryphaenoides yaquinae
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Gadiformes
    ; family:
    Macrouridae
    ; taxonRank:
    species
    ; genus:
    Coryphaenoides
    ; scientificNameAuthorship:
    Iwamoto & Stein, 1974
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4156
    ; locationRemarks:
    R/V Melville Cruise MV1313
    ; decimalLatitude:
    13.8885
    ; decimalLongitude:
    -116.6824
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    50
    ; samplingProtocol:
    Baited Trap
    ; eventDate:
    2013-10-19
    ; eventTime:
    4:40
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    TR05
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    tissue and DNA voucher stored in 80% non-denatured ethanol aqueous solution and remainder of animal preserved in 4% formaldehyde
    ; catalogNumber:
    AB1-TR05-fish-1
    ; recordNumber:
    AB1-TR05-fish-1
    ; recordedBy:
    Jeffrey Drazen, Astrid Leitner
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492; Leitner A, Neuheimer A, Donlon E, Smith CR, Drazen JC. Environmental and bathymetric influences on abyssal bait-attending communities of the Clarion Clipperton Zone. Deep Sea Research Part I: Oceanographic Research Papers. 2017. doi: 10.1016/j.dsr.2017.04.017
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified by morphology and DNA of collected specimen
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    PreservedSpecimen
  4. scientificName:
    Coryphaenoides armatus
    ; taxonConceptID:
    Coryphaenoides armatus
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Gadiformes
    ; family:
    Macrouridae
    ; taxonRank:
    species
    ; genus:
    Coryphaenoides
    ; scientificNameAuthorship:
    Hector, 1875
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4152
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.4435
    ; decimalLongitude:
    -116.2074
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    50
    ; samplingProtocol:
    Baited Trap
    ; eventDate:
    2015-03-07
    ; eventTime:
    17:28
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    TR08
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    tissue and DNA voucher stored in 80% non-denatured ethanol aqueous solution and remainder of animal preserved in 4% formaldehyde
    ; catalogNumber:
    AB02-TR08-JD-61
    ; recordNumber:
    AB02-TR08-JD-61
    ; recordedBy:
    Jeffrey Drazen, Astrid Leitner
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492; Leitner A, Neuheimer A, Donlon E, Smith CR, Drazen JC. Environmental and bathymetric influences on abyssal bait-attending communities of the Clarion Clipperton Zone. Deep Sea Research Part I: Oceanographic Research Papers. 2017. doi: 10.1016/j.dsr.2017.04.017
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified by morphology and DNA of collected specimen
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    PreservedSpecimen
  5. scientificName:
    Coryphaenoides sp.
    ; taxonConceptID:
    cf. Coryphaenoides morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Gadiformes
    ; family:
    Macrouridae
    ; taxonRank:
    genus
    ; genus:
    Coryphaenoides
    ; scientificNameAuthorship:
    Gunnerus, 1765
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4275
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5127
    ; decimalLongitude:
    -116.6219
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    50
    ; samplingProtocol:
    Baited Camera
    ; eventDate:
    2015-03-03
    ; eventTime:
    21:13
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    CA06
    ; individualCount:
    4
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Jeffrey Drazen, Astrid Leitner
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492; Leitner A, Neuheimer A, Donlon E, Smith CR, Drazen JC. Environmental and bathymetric influences on abyssal bait-attending communities of the Clarion Clipperton Zone. Deep Sea Research Part I: Oceanographic Research Papers. 2017. doi: 10.1016/j.dsr.2017.04.017
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Includes both species C. armatus and C. yaquinae. Both species have been recovered from the CCZ but are not readily distinguishable in photographs. Prominent snout and small chin barbel. First dorsal fin prominent and separated from the second dorsal fin which tapers to tip of whip tail. First pelvic fin ray elongated. Body color ranges from white to dark gray often with darker areas around fin insertions and eyes.

Fig. 35

Figure 35.

cf. Coryphaenoides morphospecies observed in the UK-1 exploration contract area. There may be two species, Coryphaenoides armatus and Coryphaenoides yaquinae, in the in situ images, however specimens are required for identification. Images (a-b) correspond with the data in (a) above, whereas image (c-f) correspond with the data in (b-e) above.

aDorsal view of cf. Coryphaenoides morphospecies swimming above the seafloor. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
bSide view of cf. Coryphaenoides morphospecies swimming above the seafloor. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
ccf. Coryphaenoides morphospecies swimming above the seafloor. Scale bar is 10 cm. Image attribution: Woods Hole Oceanographic Institution.  
dCoryphaenoides yaquinae after collection via baited trap from the UK-1 exploration contract area. Scale bar is 10 cm. Image attribution: A Leitner and J Drazen, University of Hawai’i.  
eCoryphaenoides armatus after collection via baited trap from the UK-1 exploration contract area. Scale bar is 10 cm. Image attribution: A Leitner and J Drazen, University of Hawai’i.  
fFour cf. Coryphaenoides morphospecies swimming above the seafloor. Image attribution: A Leitner and J Drazen, University of Hawai’i.  

Order Notacanthiformes

Material    Download as CSV 

Family Halosauridae Günther, 1868

Material    Download as CSV 

cf. Halosauridae morphospecies

Nomenclature: 

In the “Atlas of Abyssal Megafauna Morphotypes of the Clarion-Clipperton Fracture Zone” created for the ISA (http://ccfzatlas.com/), this morphospecies is listed as "Halosaur morphotype".

Materials    Download as CSV 
  1. scientificName:
    Halosauridae sp.
    ; taxonConceptID:
    cf. Halosauridae morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Notacanthiformes
    ; family:
    Halosauridae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Günther, 1868
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4224
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5850
    ; decimalLongitude:
    -116.7021
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Autonomous Underwater Vehicle
    ; eventDate:
    2015-03-09
    ; eventTime:
    5:38
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (AV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Halosauridae sp.
    ; taxonConceptID:
    cf. Halosauridae morphospecies
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Notacanthiformes
    ; family:
    Halosauridae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Günther, 1868
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4213
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5823
    ; decimalLongitude:
    -116.7109
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Autonomous Underwater Vehicle
    ; eventDate:
    2015-03-09
    ; eventTime:
    14:41
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (AV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Very slender, long body with slender, pointed head. Long whip-like tail. Head often slightly darker than rest of body. Colors range from white to blue/grey. Distinguishable by swimming pattern: majority of slender body nearly completely straight with propulsion driven by flexion of terminal ¼ to ½ of body.

Fig. 36

Figure 36.

cf. Halosauridae morphospecies observed in the UK-1 exploration contract area. Images (a-b) correspond with the relevant data above.

acf. Halosauridae morphospecies swimming above the seafloor. Scale bar is 10 cm. Image attribution: Woods Hole Oceanographic Institution.  
bcf. Halosauridae morphospecies swimming above the seafloor. Scale bar is 10 cm. Image attribution: Woods Hole Oceanographic Institution.  

Order Ophidiiformes

Material    Download as CSV 

Family Ophidiidae Rafinesque, 1810

Material    Download as CSV 

cf. Ophidiidae morphospecies 1

Nomenclature: 

In the “Atlas of Abyssal Megafauna Morphotypes of the Clarion-Clipperton Fracture Zone” created for the ISA (http://ccfzatlas.com/), this morphospecies is listed as "Ophidiidae morphotype 1".

Materials    Download as CSV 
  1. scientificName:
    Ophidiidae sp.
    ; taxonConceptID:
    cf. Ophidiidae morphospecies 1
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Ophidiiformes
    ; family:
    Ophidiidae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Rafinesque, 1810
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4234
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5389
    ; decimalLongitude:
    -116.6055
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Autonomous Underwater Vehicle
    ; eventDate:
    2015-03-18
    ; eventTime:
    15:51
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 9 (AV09)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Ophidiidae sp.
    ; taxonConceptID:
    cf. Ophidiidae morphospecies 1
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Ophidiiformes
    ; family:
    Ophidiidae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Rafinesque, 1810
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum A
    ; maximumDepthInMeters:
    4026
    ; locationRemarks:
    RV Melville Cruise MV1313
    ; decimalLatitude:
    13.8643
    ; decimalLongitude:
    -116.5486
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Remotely Operated Vehicle
    ; eventDate:
    2013-10-21
    ; eventTime:
    5:18
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 6 (RV06)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Amon DJ, Ziegler AF, Dahlgren TG, Glover AG, Goineau A, Gooday AJ, Wiklund H, Smith CR. Insights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone. Scientific Reports. 2016;6. doi: 10.1038/srep30492
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2014
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

A single dorsal fin begins in line with the pectoral fins and continues full length of body. Angular, near rectangular snout.

Fig. 37

Figure 37.

cf. Ophidiidae morphospecies 1 observed in the UK-1 exploration contract area. Images (a-b) correspond with the relevant data above.

acf. Ophidiidae morphospecies 1 swimming above the seafloor. Image attribution: Woods Hole Oceanographic Institution.  
bcf. Ophidiidae morphospecies 1 swimming above the seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  

cf. Ophidiidae morphospecies 2

Material    Download as CSV 
  1. scientificName:
    Ophidiidae sp.
    ; taxonConceptID:
    cf. Ophidiidae morphospecies 2
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Ophidiiformes
    ; family:
    Ophidiidae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Rafinesque, 1810
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    3605
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.4353
    ; decimalLongitude:
    -116.5533
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    50
    ; samplingProtocol:
    Baited Camera
    ; eventDate:
    2015-03-09
    ; eventTime:
    19:15
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    CA09
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    On seafloor
    ; recordedBy:
    Jeffrey Drazen, Astrid Leitner
    ; occurrenceStatus:
    present
    ; associatedReferences:
    Leitner A, Neuheimer A, Donlon E, Smith CR, Drazen JC. Environmental and bathymetric influences on abyssal bait-attending communities of the Clarion Clipperton Zone. Deep Sea Research Part I: Oceanographic Research Papers. 2017. doi: 10.1016/j.dsr.2017.04.017
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Angular head with lighter coloration along lower jaw. Rectangular body shape that maintains near maximum body depth for most of standard length. Dark contiguous dorsal and anal fins. Observed to drag body over sediment and leave a trail.

Fig. 38

Figure 38.  

cf. Ophidiidae morphospecies 2 in situ on the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Image attribution: A Leitner & J Drazen, University of Hawai’i.

cf. Ophidiidae morphospecies 3

Nomenclature: 

In the “Atlas of Abyssal Megafauna Morphotypes of the Clarion-Clipperton Fracture Zone” created for the ISA (http://ccfzatlas.com/), this morphospecies is listed as "Ophidiidae morphotype 3".

Material    Download as CSV 
  1. scientificName:
    Ophidiidae sp.
    ; taxonConceptID:
    cf. Ophidiidae morphospecies 3
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Ophidiiformes
    ; family:
    Ophidiidae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Rafinesque, 1810
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4248
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.4848
    ; decimalLongitude:
    -116.6549
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Autonomous Underwater Vehicle
    ; eventDate:
    2015-03-04
    ; eventTime:
    10:12
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 5 (AV05)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
Notes: 

Slender fish with large and distinctive pectoral fins. Usually a grey in colour.

Fig. 39

Figure 39.  

cf. Ophidiidae morphospecies 3 in situ on the seafloor in the UK-1 exploration contract area. Image corresponds with the data above. Scale bar is 10 cm. Image attribution: Woods Hole Oceanographic Institutio.

cf. Ophidiidae morphospecies 4

Materials    Download as CSV 
  1. scientificName:
    Ophidiidae sp.
    ; taxonConceptID:
    cf. Ophidiidae morphospecies 4
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Ophidiiformes
    ; family:
    Ophidiidae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Rafinesque, 1810
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4251
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.4957
    ; decimalLongitude:
    -116.6505
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol:
    Autonomous Underwater Vehicle
    ; eventDate:
    2015-03-04
    ; eventTime:
    1:09
    ; habitat:
    Abyssal polymetallic-nodule field
    ; fieldNumber:
    Dive 5 (AV05)
    ; individualCount:
    1
    ; lifeStage:
    Adult
    ; preparations:
    Imaged only
    ; behavior:
    Swimming
    ; recordedBy:
    Diva J. Amon, Amanda F. Ziegler
    ; occurrenceStatus:
    present
    ; identifiedBy:
    Astrid Leitner, Jeffrey Drazen, Diva J. Amon, Amanda F. Ziegler
    ; dateIdentified:
    2015
    ; identificationRemarks:
    Identified only from imagery
    ; identificationQualifier:
    cf.
    ; language:
    en
    ; institutionCode:
    UHM
    ; datasetName:
    ABYSSLINE
    ; basisOfRecord:
    HumanObservation
  2. scientificName:
    Ophidiidae sp.
    ; taxonConceptID:
    cf. Ophidiidae morphospecies 4
    ; kingdom:
    Animalia
    ; phylum:
    Chordata
    ; class:
    Actinopterygii
    ; order:
    Ophidiiformes
    ; family:
    Ophidiidae
    ; taxonRank:
    family
    ; scientificNameAuthorship:
    Rafinesque, 1810
    ; waterBody:
    Pacific Ocean
    ; stateProvince:
    Clarion-Clipperton Zone
    ; locality:
    UK Seabed Resources Ltd exploration contract area (UK-1)
    ; verbatimLocality:
    UK-1 Stratum B
    ; maximumDepthInMeters:
    4211
    ; locationRemarks:
    RV Thompson Cruise TN319
    ; decimalLatitude:
    12.5726
    ; decimalLongitude:
    -116.7342
    ; geodeticDatum:
    WGS84
    ; coordinateUncertaintyInMeters:
    25
    ; samplingProtocol: