Biodiversity Data Journal :
Data Paper (Biosciences)
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Corresponding author: Jan Steger (jan.steger@univie.ac.at)
Academic editor: Anton P. van de Putte
Received: 03 May 2023 | Accepted: 08 Sep 2023 | Published: 17 Oct 2023
© 2023 Jan Steger, Katrin Linse, Yi-Ming Gan, Huw Griffiths
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation:
Steger J, Linse K, Gan Y-M, Griffiths HJ (2023) Mollusca collected by Agassiz trawl from the 2016 SO-AntEco (JR15005) expedition to the South Orkney Islands, Antarctica - data. Biodiversity Data Journal 11: e105888. https://doi.org/10.3897/BDJ.11.e105888
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This dataset contributes to the knowledge of macro- and megafaunal Mollusca associated with a range of benthic habitat types in the South Orkney Islands, Antarctica, an exceptionally diverse region of the Southern Ocean. The information presented is derived from Agassiz trawl samples collected on the archipelago’s shelf plateau and slope, within and outside of the South Orkney Islands Southern Shelf Marine Protected Area (SOISS MPA). Sampling was conducted in the framework of the British Antarctic Survey/SCAR “South Orkneys - State of the Antarctic Ecosystem” (SO-AntEco) project aboard RRS James Clark Ross during expedition JR15005 in Austral summer 2016. This dataset is published by the British Antarctic Survey under the licence CC-BY 4.0. We would appreciate it if you could follow the guidelines from the SCAR Data Policy (SCAR 2023) when using the data. If you have any questions regarding this dataset, do not hesitate to contact us via the contact information provided in the metadata or via data-biodiversity-aq@naturalsciences.be. Issues with the dataset can be reported at https://github.com/biodiversity-aq/data-publication/. This dataset is part of the Biodiversity, Evolution and Adaptation Project of the Environmental Change and Evolution Program of the British Antarctic Survey. The cruise report of the expedition is available at https://www.bodc.ac.uk/resources/inventories/cruise_inventory/reports/jr15005.pdf.
We report occurrences of Mollusca from individual samples taken with a 2 m-wide Agassiz trawl (AGT) in the framework of the February – March 2016 research expedition JR15005 of RRS James Clark Ross to the SOISS MPA and adjacent shelf and slope areas. Of 78 successful AGT deployments, 44 trawls at depths ranging from 235-2194 m yielded living Mollusca, totalling 2276 individuals, 67 morphospecies and 163 distributional records. One hundred and fifteen empty shells were also collected and recorded in the dataset. Three morphospecies (one Bivalvia and two Gastropoda) were sampled exclusively as empty shells, yielding a total of 70 morphospecies and 2391 specimens represented in the dataset. All specimens were preserved in 96% undenatured ethanol and are stored as vouchers in the collections of the British Antarctic Survey (BAS), Cambridge, United Kingdom. The publication of this dataset aims at increasing the knowledge on the biodiversity, abundance and geographical and bathymetric distribution of larger-sized epi- and shallow infaunal Mollusca of the South Orkney Islands.
benthic biodiversity, Southern Ocean, continental slope, continental shelf, Bivalvia, Gastropoda, Polyplacophora, Scaphopoda, Solenogastres
The aim of the SO-AntEco expedition (JR15005) was to assess and contribute to a better understanding of the benthic biodiversity, community composition and zonation on the shelf and slope areas of the South Orkney Islands, including the SOISS MPA, and to provide information for future MPA monitoring and management. Previous studies have shown the archipelago to host an exceptionally high biodiversity for a polar site, most of which is contributed by marine benthic species (
We here report on the molluscs collected during the JR15005 campaign as they are a taxonomically and ecologically diverse phylum known to be a good surrogate taxon for entire benthic communities (
In this context, the publication of this dataset aims at increasing the knowledge on the macro- and megabenthic molluscs from the study area that encompasses the shelf edge and little investigated slope areas of the South Orkney Islands archipelago, Scotia Arc, in the Atlantic sector of the Southern Ocean.
Mollusca collected by Agassiz trawl from the 2016 SO-AntEco expedition to the South Orkney Islands, Antarctica – data
Jan Steger, Katrin Linse, Yi-Ming Gan, Huw J. Griffiths
The SO-AntEco - JR15005 expedition was part of the Biodiversity, Evolution and Adaptation Project of the Environmental Change and Evolution Program of the British Antarctic Survey (BAS). The publication of this dataset was funded by the Belgian Science Policy Office (BELSPO, contract n°FR/36/AN1/AntaBIS) in the framework of EU-LifeWatch as a contribution to the SCAR Antarctic Biodiversity Portal (biodiversity.aq).
The study area encompasses the continental shelf and slope of the South Orkney Islands, Scotia Arc, in the Atlantic sector of the Southern Ocean (Fig.
Details on SO-AntEco/JR15005 Agassiz trawl stations that yielded Mollusca. Positions are given according to datum WGS84, depths in metres, dates in the format dd.mm.yyyy.
Station No. |
Start Lat. |
End Lat. |
Start Long. |
End Long. |
Min. Depth |
Max. Depth |
Region |
Date |
JR15005_6 |
|
|
|
|
235 |
243 |
Signy |
29.02.2016 |
JR15005_9 |
|
|
|
|
522 |
564 |
West |
02.03.2016 |
JR15005_15 |
|
|
|
|
772 |
791 |
West |
03.03.2016 |
JR15005_16 |
|
|
|
|
791 |
817 |
West |
03.03.2016 |
JR15005_17 |
|
|
|
|
836 |
844 |
West |
03.03.2016 |
JR15005_31 |
|
|
|
|
531 |
535 |
South |
05.03.2016 |
JR15005_32 |
|
|
|
|
524 |
530 |
South |
05.03.2016 |
JR15005_33 |
|
|
|
|
517 |
556 |
South |
06.03.2016 |
JR15005_43 |
|
|
|
|
1000 |
1000 |
South |
06.03.2016 |
JR15005_44 |
|
|
|
|
969 |
1012 |
South |
06.03.2016 |
JR15005_45 |
|
|
|
|
1006 |
1055 |
South |
07.03.2016 |
JR15005_51 |
|
|
|
|
2098 |
2194 |
South |
08.03.2016 |
JR15005_54 |
|
|
|
|
785 |
807 |
NW Trough |
09.03.2016 |
JR15005_55 |
|
|
|
|
808 |
810 |
NW Trough |
09.03.2016 |
JR15005_61 |
|
|
|
|
465 |
540 |
North West |
09.03.2016 |
JR15005_62 |
|
|
|
|
458 |
573 |
North West |
10.03.2016 |
JR15005_63 |
|
|
|
|
442 |
545 |
North West |
10.03.2016 |
JR15005_68 |
|
|
|
|
732 |
852 |
North West |
10.03.2016 |
JR15005_69 |
|
|
|
|
733 |
837 |
North West |
10.03.2016 |
JR15005_70 |
|
|
|
|
722 |
826 |
North West |
10.03.2016 |
JR15005_79 |
|
|
|
|
484 |
486 |
North West |
11.03.2016 |
JR15005_81 |
|
|
|
|
459 |
485 |
North West |
11.03.2016 |
JR15005_83 |
|
|
|
|
783 |
807 |
North West |
11.03.2016 |
JR15005_85 |
|
|
|
|
798 |
838 |
North West |
12.03.2016 |
JR15005_90 |
|
|
|
|
520 |
624 |
North |
12.03.2016 |
JR15005_91 |
|
|
|
|
551 |
658 |
North |
13.03.2016 |
JR15005_93 |
|
|
|
|
1028 |
1077 |
North |
13.03.2016 |
JR15005_94 |
|
|
|
|
992 |
1028 |
North |
13.03.2016 |
JR15005_95 |
|
|
|
|
1062 |
1149 |
North |
13.03.2016 |
JR15005_100 |
|
|
|
|
790 |
896 |
North |
13.03.2016 |
JR15005_101 |
|
|
|
|
773 |
858 |
North |
13.03.2016 |
JR15005_105 |
|
|
|
|
1447 |
1483 |
North |
14.03.2016 |
JR15005_112 |
|
|
|
|
548 |
598 |
North East |
15.03.2016 |
JR15005_113 |
|
|
|
|
508 |
546 |
North East |
15.03.2016 |
JR15005_114 |
|
|
|
|
1758 |
2190 |
North East |
15.03.2016 |
JR15005_119 |
|
|
|
|
801 |
867 |
North East |
15.03.2016 |
JR15005_120 |
|
|
|
|
708 |
831 |
North East |
15.03.2016 |
JR15005_125 |
|
|
|
|
1034 |
1139 |
North East |
16.03.2016 |
JR15005_126 |
|
|
|
|
1014 |
1017 |
North East |
16.03.2016 |
JR15005_130 |
|
|
|
|
512 |
531 |
North East |
16.03.2016 |
JR15005_132 |
|
|
|
|
493 |
500 |
North East |
16.03.2016 |
JR15005_138 |
|
|
|
|
1541 |
1674 |
North East |
17.03.2016 |
JR15005_142 |
|
|
|
|
621 |
651 |
Bruce Bank |
18.03.2016 |
JR15005_146 |
|
|
|
|
622 |
625 |
Bruce Bank |
19.03.2016 |
Map of the South Orkney Islands and sampling stations. A Location of the South Orkney Islands in the Scotia Sea, Southern Ocean. B Positions of Agassiz trawl (AGT) sampling stations of the SO-AntEco project along the shelf and slope areas of the archipelago. The boundaries of the South Orkney Islands Southern Shelf Marine Protected Area (SOISS MPA) are indicated by a dotted line. Sites that yielded living Mollusca are highlighted as red dots, grey dots mark the positions of trawls that did not contain any molluscs. Findings of empty shells were limited to trawl stations where also living molluscs were found.
Mollusca were collected using a 2 m-wide AGT with an outer 3 cm mesh-sized and an inner 1 cm mesh-sized net following a standardised deployment protocol (see JR15005 cruise report at https://www.bodc.ac.uk/resources/inventories/cruise_inventory/report/16041/).
Six major clusters of sampling stations were located to the south, west, northwest (subdivided into two sites: “North West” and “North West Trough”), north and northeast of the South Orkney Islands, as well as at Bruce Bank. Targeted sampling depths were 500, 750, 1000, 1500 and 2000 m. Furthermore, a single trawl was taken on the shelf off Signy Island at approximately 200 m depth. If conditions permitted, three replicate AGTs were taken at the shallower stations (500, 750 and 1000 m), while at least one haul was conducted at the deeper stations (1500 and 2000 m). Detailed locations of major clusters and individual sampling sites are shown in Fig.
Once on the bottom, the AGT was towed for 10 min at a speed of 1 kn. On deck, samples were sorted by hand into higher-level taxonomic groups (e.g., molluscan classes), the collected individuals roughly counted, placed in pre-cooled 96% ethanol and stored at -20°C. All molluscan specimens recovered during JR15005 were preserved.
Treatment of samples: Identification of specimens was performed at BAS, based on external morphological characters using specialised literature (e.g.,
Distribution of the 2391 molluscan specimens in the dataset across families, genera, and species. Specimen counts (# spcms.) presented subsume live and dead collected specimens. For a detailed breakdown of specimen counts by station and into live individuals and empty shells, see Table
Family |
Genus |
Species |
# spcms. |
Solenogastres sp. 1 |
1 |
||
Solenogastres sp. 2 |
1 |
||
Leptochitonidae |
3 |
||
Leptochitonidae |
Leptochiton |
3 |
|
Leptochitonidae |
Leptochiton |
Leptochiton sp. 1 |
2 |
Leptochitonidae |
Leptochiton |
Leptochiton sp. 2 |
1 |
Mopaliidae |
1 |
||
Mopaliidae |
Nuttallochiton |
1 |
|
Mopaliidae |
Nuttallochiton |
Nuttallochiton mirandus |
1 |
Nuculanidae |
76 |
||
Nuculanidae |
Nuculana |
56 |
|
Nuculanidae |
Nuculana |
Nuculana inaequisculpta |
56 |
Nuculanidae |
Propeleda |
20 |
|
Nuculanidae |
Propeleda |
Propeleda longicaudata |
20 |
Yoldiidae |
7 |
||
Yoldiidae |
Yoldiella |
7 |
|
Yoldiidae |
Yoldiella |
Yoldiella cf. valettei |
7 |
Sareptidae |
17 |
||
Sareptidae |
Aequiyoldia |
17 |
|
Sareptidae |
Aequiyoldia |
Aequiyoldia eightsii |
17 |
Limopsidae |
49 |
||
Limopsidae |
Limopsis |
49 |
|
Limopsidae |
Limopsis |
Limopsis marionensis |
49 |
Philobryidae |
1856 |
||
Philobryidae |
Adacnarca |
1 |
|
Philobryidae |
Adacnarca |
Adacnarca nitens |
1 |
Philobryidae |
Lissarca |
1855 |
|
Philobryidae |
Lissarca |
Lissarca notorcadensis |
1855 |
Lasaeidae |
3 |
||
Lasaeidae |
Kellia |
1 |
|
Lasaeidae |
Kellia |
Kellia sp. 1 |
1 |
Lasaeidae |
Altenaeum |
2 |
|
Lasaeidae |
Altenaeum |
Altenaeum gibbosum |
2 |
Thyasiridae |
21 |
||
Thyasiridae |
Thyasira |
18 |
|
Thyasiridae |
Thyasira |
Thyasira debilis |
3 |
Thyasiridae |
Thyasira |
Thyasira falklandica |
15 |
Thyasiridae |
Parathyasira |
3 |
|
Thyasiridae |
Parathyasira |
Parathyasira dearborni |
3 |
Thraciidae |
1 |
||
Thraciidae |
Thracia |
1 |
|
Thraciidae |
Thracia |
Thracia meridionalis |
1 |
Cuspidariidae |
7 |
||
Cuspidariidae |
Cuspidaria |
7 |
|
Cuspidariidae |
Cuspidaria |
Cuspidaria infelix |
4 |
Cuspidariidae |
Cuspidaria |
Cuspidaria minima |
1 |
Cuspidariidae |
Cuspidaria |
Cuspidaria tenella |
2 |
Eucyclidae |
2 |
||
Eucyclidae |
Calliotropis |
2 |
|
Eucyclidae |
Calliotropis |
Calliotropis eltanini |
1 |
Eucyclidae |
Calliotropis |
Calliotropis lateumbilicata |
1 |
Calliostomatidae |
1 |
||
Calliostomatidae |
Falsimargarita |
1 |
|
Calliostomatidae |
Falsimargarita |
Falsimargarita thielei |
1 |
Colloniidae |
2 |
||
Colloniidae |
Leptocollonia |
2 |
|
Colloniidae |
Leptocollonia |
Leptocollonia sp. 1 |
2 |
Capulidae |
1 |
||
Capulidae |
Torellia |
1 |
|
Capulidae |
Torellia |
Torellia sp. 1 |
1 |
Naticidae |
16 |
||
Naticidae |
Amauropsis |
2 |
|
Naticidae |
Amauropsis |
Amauropsis aureolutea |
2 |
Naticidae |
Falsilunatia |
11 |
|
Naticidae |
Falsilunatia |
Falsilunatia cf. scotiana |
1 |
Naticidae |
Falsilunatia |
Falsilunatia sp. 1 |
10 |
Naticidae |
Naticidae cf. Falsilunatia sp. 1 |
2 |
|
Naticidae |
Sinuber |
1 |
|
Naticidae |
Sinuber |
Sinuber sp. 1 |
1 |
Velutinidae |
3 |
||
Velutinidae |
Marseniopsis |
3 |
|
Velutinidae |
Marseniopsis |
Marseniopsis sp. 1 |
1 |
Velutinidae |
Marseniopsis |
Marseniopsis sp. 2 |
1 |
Velutinidae |
Marseniopsis |
Marseniopsis sp. 3 |
1 |
Prosiphonidae |
48 |
||
Prosiphonidae |
Antarctodomus |
1 |
|
Prosiphonidae |
Antarctodomus |
Antarctodomus thielei |
1 |
Prosiphonidae |
Chlanidota |
27 |
|
Prosiphonidae |
Chlanidota |
Chlanidota signeyana |
27 |
Prosiphonidae |
Chlanificula |
15 |
|
Prosiphonidae |
Chlanificula |
Chlanificula thielei |
15 |
Prosiphonidae |
Neobuccinum |
4 |
|
Prosiphonidae |
Neobuccinum |
Neobuccinum eatoni |
4 |
Prosiphonidae |
Probuccinum |
1 |
|
Prosiphonidae |
Probuccinum |
Probuccinum tenerum |
1 |
Cominellidae |
2 |
||
Cominellidae |
Falsitromina |
2 |
|
Cominellidae |
Falsitromina |
Falsitromina sp. 1 |
2 |
Muricidae |
5 |
||
Muricidae |
Trophon |
5 |
|
Muricidae |
Trophon |
Trophon coulmanensis |
4 |
Muricidae |
Trophon |
Trophon sp. 1 |
1 |
Marginellidae |
4 |
||
Marginellidae |
Volvarina |
4 |
|
Marginellidae |
Volvarina |
Volvarina ealesae |
3 |
Marginellidae |
Volvarina |
Volvarina hyalina |
1 |
Volutidae |
38 |
||
Volutidae |
Harpovoluta |
33 |
|
Volutidae |
Harpovoluta |
Harpovoluta charcoti |
33 |
Volutidae |
Miomelon |
4 |
|
Volutidae |
Miomelon |
Miomelon turnerae |
4 |
Volutidae | Tractolira | 1 | |
Volutidae |
Tractolira |
Tractolira sp. 1 |
1 |
Volutomitridae |
17 |
||
Volutomitridae |
Paradmete |
17 |
|
Volutomitridae |
Paradmete |
Paradmete cf. fragillima |
6 |
Volutomitridae |
Paradmete |
Paradmete percarinata |
10 |
Volutomitridae |
Paradmete |
Paradmete sp. 1 |
1 |
Borsoniidae |
14 |
||
Borsoniidae |
Belaturricula |
4 |
|
Borsoniidae |
Belaturricula |
Belaturricula cf. ergata |
1 |
Borsoniidae |
Belaturricula |
Belaturricula gaini |
3 |
Borsoniidae |
Typhlodaphne |
10 |
|
Borsoniidae |
Typhlodaphne |
Typhlodaphne paratenoceras |
10 |
Neogastropoda cf. Borsoniidae sp. 1 |
2 |
||
Mangeliidae |
1 |
||
Mangeliidae |
Lorabela |
1 |
|
Mangeliidae |
Lorabela |
Lorabela pelseneeri |
1 |
Raphitomidae |
1 |
||
Raphitomidae |
Pleurotomella |
1 |
|
Raphitomidae |
Pleurotomella |
Pleurotomella cf. simillima |
1 |
Cochlespiridae |
15 |
||
Cochlespiridae |
Aforia |
15 |
|
Cochlespiridae |
Aforia |
Aforia magnifica |
15 |
Pseudomelatomidae |
23 |
||
Pseudomelatomidae |
Conorbela |
23 |
|
Pseudomelatomidae |
Conorbela |
Conorbela antarctica |
23 |
Horaiclavidae |
9 |
||
Horaiclavidae |
Micropleurotoma |
9 |
|
Horaiclavidae |
Micropleurotoma |
Micropleurotoma sp. 1 |
9 |
Cancellariidae |
3 |
||
Cancellariidae |
Nothoadmete |
3 |
|
Cancellariidae |
Nothoadmete |
Nothoadmete consobrina |
3 |
Acteonidae |
3 |
||
Acteonidae |
Neactaeonina |
3 |
|
Acteonidae |
Neactaeonina |
Neactaeonina edentula |
3 |
Newnesiidae |
3 |
||
Newnesiidae |
Newnesia |
3 |
|
Newnesiidae |
Newnesia |
Newnesia sp. 1 |
3 |
Philinidae |
4 |
||
Philinidae |
Philine |
4 |
|
Philinidae |
Philine |
Philine sp. 1 |
4 |
Bathydorididae |
2 |
||
Bathydorididae |
Prodoris |
2 |
|
Bathydorididae |
Prodoris |
Prodoris cf. clavigera |
2 |
Dorididae |
5 |
||
Dorididae |
Doris |
5 |
|
Dorididae |
Doris |
Doris kerguelenensis |
5 |
Nudibranchia sp. 1 |
2 |
||
Nudibranchia sp. 2 |
1 |
||
Nudibranchia sp. 3 |
1 |
||
Dentaliidae |
15 |
||
Dentaliidae |
Dentalium |
15 |
|
Dentaliidae |
Dentalium |
Dentalium majorinum |
15 |
Gadilidae |
105 |
||
Gadilidae |
Siphonodentalium |
105 |
|
Gadilidae |
Siphonodentalium |
Siphonodentalium dalli |
105 |
Each dataset entry corresponds to either live collected individuals or empty shells of a single molluscan species from a particular station stored within a labelled container/vial in the BAS voucher collection. Multiple conspecific specimens from any one sampling event may be distributed across more than one container (see Table
Species occurrences and specimen counts (# spcms.) for the 44 Agassiz trawl samples (column "Station No.") of the SO-AntEco/JR15005 expedition that yielded Mollusca. For each species, a complete inventory of vials stored in the voucher collection of the British Antarctic Survey (Cambridge, United Kingdom) is provided, including their content in terms of: (i) total number of specimens, (ii) live collected individuals, and (iii) empty shells. In bivalves, a dead specimen may represent either a complete (i.e., articulated) empty shell or a loose valve.
Species |
# spcms. (Species) |
Station No. |
# spcms. (Station) |
Vial ID |
# spcms. (Vial) |
||
Total |
Alive |
Dead |
|||||
Solenogastres sp. 1 |
1 |
JR15005_79 |
1 |
1615.Sol01 |
1 |
1 |
0 |
Solenogastres sp. 2 |
1 |
JR15005_142 |
1 |
2957.Sol02 |
1 |
1 |
0 |
Leptochiton sp. 1 |
2 |
JR15005_68 |
1 |
1334.P02 |
1 |
1 |
0 |
JR15005_70 |
1 |
1466.P02 |
1 |
1 |
0 |
||
Leptochiton sp. 2 |
1 |
JR15005_105 |
1 |
2218.P03 |
1 |
1 |
0 |
Nuttallochiton mirandus |
1 |
JR15005_81 |
1 |
1696.P01 |
1 |
1 |
0 |
Nuculana inaequisculpta |
56 |
JR15005_6 |
53 |
0152.B03 |
52 |
43 |
9 |
0154.B03 |
1 |
0 |
1 |
||||
JR15005_54 |
2 |
1032.B03 |
1 |
0 |
1 |
||
1043.B03 |
1 |
0 |
1 |
||||
JR15005_63 |
1 |
1271.B03 |
1 |
1 |
0 |
||
Propeleda longicaudata |
20 |
JR15005_61 |
6 |
1120.B10 |
6 |
4 |
2 |
JR15005_62 |
1 |
1195.B10 |
1 |
1 |
0 |
||
JR15005_63 |
11 |
1269.B10 |
11 |
10 |
1 |
||
JR15005_70 |
2 |
1507.B10 |
2 |
0 |
2 |
||
Yoldiella cf. valettei |
7 |
JR15005_6 |
6 |
0147.B04 |
1 |
1 |
0 |
0154.B04 |
4 |
2 |
2 |
||||
0162.B04 |
1 |
0 |
1 |
||||
JR15005_54 |
1 |
1032.B04 |
1 |
0 |
1 |
||
Aequiyoldia eightsii |
17 |
JR15005_6 |
17 |
0147.B09 |
16 |
10 |
6 |
0162.B09 |
1 |
0 |
1 |
||||
Limopsis marionensis |
49 |
JR15005_62 |
1 |
1195.B02 |
1 |
1 |
0 |
JR15005_70 |
3 |
1459.B02 |
1 |
1 |
0 |
||
1460.B02 |
1 |
1 |
0 |
||||
1515.B02 |
1 |
1 |
0 |
||||
JR15005_79 |
1 |
1600.B02 |
1 |
0 |
1 |
||
JR15005_90 |
1 |
1831.B02 |
1 |
1 |
0 |
||
JR15005_91 |
3 |
1894.B02 |
3 |
3 |
0 |
||
JR15005_94 |
21 |
2906.B02 |
2 |
2 |
0 |
||
2907.B02 |
19 |
17 |
2 |
||||
JR15005_119 |
3 |
2530.B02 |
3 |
3 |
0 |
||
JR15005_126 |
1 |
2730.B02 |
1 |
1 |
0 |
||
JR15005_130 |
2 |
2782.B02 |
2 |
1 |
1 |
||
JR15005_132 |
7 |
2819.B02 |
1 |
1 |
0 |
||
2840.B02 |
6 |
5 |
1 |
||||
JR15005_142 |
5 |
2948.B02 |
5 |
5 |
0 |
||
JR15005_146 |
1 |
3127.B02 |
1 |
1 |
0 |
||
Adacnarca nitens |
1 |
JR15005_62 |
1 |
1194.B16 |
1 |
1 |
0 |
Lissarca notorcadensis |
1855 |
JR15005_9 |
448 |
0185.B01 |
448 |
448 |
0 |
JR15005_15 |
11 |
0286.B01 |
11 |
11 |
0 |
||
JR15005_17 |
4 |
0343.B01 |
2 |
2 |
0 |
||
0351.B01 |
2 |
2 |
0 |
||||
JR15005_31 |
3 |
0568.B01 |
3 |
3 |
0 |
||
JR15005_32 |
6 |
0621.B01 |
6 |
6 |
0 |
||
JR15005_61 |
493 |
1094.B01 |
38 |
38 |
0 |
||
1097.B01 |
51 |
51 |
0 |
||||
1120.B01 |
403 |
403 |
0 |
||||
1133.B01 |
1 |
1 |
0 |
||||
JR15005_62 |
269 |
1194.B01 |
268 |
268 |
0 |
||
3258.B01 |
1 |
1 |
0 |
||||
JR15005_63 |
268 |
1271.B01 |
268 |
268 |
0 |
||
JR15005_83 |
2 |
1773.B01 |
2 |
2 |
0 |
||
JR15005_90 |
7 |
1838.B01 |
7 |
7 |
0 |
||
JR15005_91 |
146 |
1878.B01 |
144 |
144 |
0 |
||
1893.B01 |
1 |
1 |
0 |
||||
1894.B01 |
1 |
1 |
0 |
||||
JR15005_112 |
22 |
2304.B01 |
22 |
22 |
0 |
||
JR15005_114 |
26 |
2455.B01 |
26 |
26 |
0 |
||
JR15005_119 |
96 |
2530.B01 |
1 |
1 |
0 |
||
2531.B01 |
95 |
95 |
0 |
||||
JR15005_120 |
51 |
2592.B01 |
51 |
51 |
0 |
||
JR15005_132 |
3 |
2862.B01 |
3 |
3 |
0 |
||
Kellia sp. 1 |
1 |
JR15005_6 |
1 |
0154.B14 |
1 |
1 |
0 |
Altenaeum gibbosum |
2 |
JR15005_6 |
2 |
0154.B13 |
2 |
2 |
0 |
Thyasira debilis |
3 |
JR15005_6 |
3 |
0147.B07 |
1 |
1 |
0 |
0162.B07 |
2 |
2 |
0 |
||||
Thyasira falklandica |
15 |
JR15005_6 |
12 |
0154.B11 |
12 |
12 |
0 |
JR15005_54 |
3 |
1028.B11 |
3 |
1 |
2 |
||
Parathyasira dearborni |
3 |
JR15005_6 |
3 |
0154.B08 |
2 |
2 |
0 |
0162.B08 |
1 |
1 |
0 |
||||
Thracia meridionalis |
1 |
JR15005_6 |
1 |
0162.B06 |
1 |
1 |
0 |
Cuspidaria infelix |
4 |
JR15005_61 |
2 |
1120.B15 |
2 |
2 |
0 |
JR15005_62 |
1 |
1195.B15 |
1 |
0 |
1 |
||
JR15005_91 |
1 |
1894.B15 |
1 |
1 |
0 |
||
Cuspidaria minima |
1 |
JR15005_6 |
1 |
0162.B05 |
1 |
1 |
0 |
Cuspidaria tenella |
2 |
JR15005_70 |
1 |
1461.B17 |
1 |
0 |
1 |
JR15005_130 |
1 |
2782.B17 |
1 |
0 |
1 |
||
Calliotropis eltanini |
1 |
JR15005_146 |
1 |
3144.G25 |
1 |
1 |
0 |
Calliotropis lateumbilicata |
1 |
JR15005_51 |
1 |
0997.G16 |
1 |
1 |
0 |
Falsimargarita thielei |
1 |
JR15005_61 |
1 |
1133.G35 |
1 |
1 |
0 |
Leptocollonia sp. 1 |
2 |
JR15005_62 |
1 |
1163.G07 |
1 |
1 |
0 |
JR15005_70 |
1 |
1486.G07 |
1 |
1 |
0 |
||
Torellia sp. 1 |
1 |
JR15005_79 |
1 |
1600.G30 |
1 |
0 |
1 |
Amauropsis aureolutea |
2 |
JR15005_70 |
1 |
1486.G40 |
1 |
1 |
0 |
JR15005_79 |
1 |
1600.G40 |
1 |
0 |
1 |
||
Falsilunatia cf. scotiana |
1 |
JR15005_61 |
1 |
1133.G36 |
1 |
0 |
1 |
Falsilunatia sp. 1 |
10 |
JR15005_61 |
3 |
1106.G41 |
1 |
0 |
1 |
1133.G41 |
2 |
0 |
2 |
||||
JR15005_62 |
1 |
1163.G41 |
1 |
0 |
1 |
||
JR15005_63 |
3 |
1264.G41 |
1 |
0 |
1 |
||
1270.G41 |
2 |
1 |
1 |
||||
JR15005_70 |
3 |
1472.G41 |
1 |
1 |
0 |
||
1486.G41 |
2 |
1 |
1 |
||||
Naticidae cf. Falsilunatia sp. 1 |
2 |
JR15005_61 |
1 |
1133.G42 |
1 |
1 |
0 |
JR15005_63 |
1 |
1270.G42 |
1 |
1 |
0 |
||
Sinuber sp. 1 |
1 |
JR15005_91 |
1 |
1893.G38 |
1 |
1 |
0 |
Marseniopsis sp. 1 |
1 |
JR15005_91 |
1 |
1893.G39 |
1 |
1 |
0 |
Marseniopsis sp. 2 |
1 |
JR15005_91 |
1 |
1894.G43 |
1 |
1 |
0 |
Marseniopsis sp. 3 |
1 |
JR15005_68 |
1 |
1306.G34 |
1 |
1 |
0 |
Antarctodomus thielei |
1 |
JR15005_101 |
1 |
2117.G17 |
1 |
1 |
0 |
Chlanidota signeyana |
27 |
JR15005_17 |
1 |
0337.G03 |
1 |
1 |
0 |
JR15005_32 |
1 |
0647.G03 |
1 |
1 |
0 |
||
JR15005_44 |
3 |
0892.G03 |
3 |
2 |
1 |
||
JR15005_45 |
1 |
0931.G03 |
1 |
1 |
0 |
||
JR15005_61 |
8 |
1106.G03 |
1 |
1 |
0 |
||
1133.G03 |
7 |
3 |
4 |
||||
JR15005_62 |
1 |
1163.G03 |
1 |
1 |
0 |
||
JR15005_63 |
8 |
1264.G03 |
2 |
1 |
1 |
||
1270.G03 |
6 |
4 |
2 |
||||
JR15005_68 |
1 |
1306.G03 |
1 |
1 |
0 |
||
JR15005_70 |
1 |
1486.G03 |
1 |
0 |
1 |
||
JR15005_83 |
1 |
1747.G03 |
1 |
1 |
0 |
||
JR15005_132 |
1 |
2841.G03 |
1 |
1 |
0 |
||
Chlanificula thielei |
15 |
JR15005_15 |
1 |
0273.G04 |
1 |
0 |
1 |
JR15005_17 |
2 |
0337.G04 |
2 |
0 |
2 |
||
JR15005_63 |
1 |
1270.G04 |
1 |
0 |
1 |
||
JR15005_68 |
1 |
1339.G04 |
1 |
0 |
1 |
||
JR15005_83 |
1 |
1747.G04 |
1 |
1 |
0 |
||
JR15005_85 |
2 |
1792.G04 |
2 |
1 |
1 |
||
JR15005_91 |
3 |
1893.G04 |
3 |
0 |
3 |
||
JR15005_93 |
1 |
1985.G04 |
1 |
0 |
1 |
||
JR15005_94 |
2 |
2010.G04 |
1 |
0 |
1 |
||
2011.G04 |
1 |
1 |
0 |
||||
JR15005_130 |
1 |
2788.G04 |
1 |
0 |
1 |
||
Neobuccinum eatoni |
4 |
JR15005_31 |
1 |
0551.G19 |
1 |
1 |
0 |
JR15005_61 |
2 |
1133.G19 |
2 |
1 |
1 |
||
JR15005_63 |
1 |
1270.G19 |
1 |
1 |
0 |
||
Probuccinum tenerum |
1 |
JR15005_119 |
1 |
2525.G13 |
1 |
1 |
0 |
Falsitromina sp. 1 |
2 |
JR15005_63 |
2 |
1264.G29 |
2 |
2 |
0 |
Trophon coulmanensis |
4 |
JR15005_61 |
4 |
1133.G23 |
4 |
4 |
0 |
Trophon sp. 1 |
1 |
JR15005_44 |
1 |
0892.G33 |
1 |
1 |
0 |
Volvarina ealesae |
3 |
JR15005_44 |
1 |
0892.G12 |
1 |
1 |
0 |
JR15005_93 |
1 |
1960.G12 |
1 |
1 |
0 |
||
JR15005_119 |
1 |
2525.G12 |
1 |
1 |
0 |
||
Volvarina hyalina |
1 |
JR15005_44 |
1 |
0892.G20 |
1 |
1 |
0 |
Harpovoluta charcoti |
33 |
JR15005_55 |
3 |
1050.G02 |
1 |
1 |
0 |
1051.G02 |
1 |
1 |
0 |
||||
1052.G02 |
1 |
1 |
0 |
||||
JR15005_61 |
4 |
1074.G02 |
1 |
1 |
0 |
||
1133.G02 |
3 |
3 |
0 |
||||
JR15005_62 |
7 |
1148.G02 |
1 |
1 |
0 |
||
1149.G02 |
1 |
1 |
0 |
||||
1150.G02 |
1 |
1 |
0 |
||||
1163.G02 |
4 |
1 |
3 |
||||
JR15005_63 |
7 |
1251.G02 |
1 |
1 |
0 |
||
1252.G02 |
1 |
1 |
0 |
||||
1253.G02 |
1 |
1 |
0 |
||||
1254.G02 |
1 |
1 |
0 |
||||
1255.G02 |
1 |
1 |
0 |
||||
1264.G02 |
1 |
1 |
0 |
||||
1281.G02 |
1 |
1 |
0 |
||||
JR15005_69 |
1 |
1420.G02 |
1 |
1 |
0 |
||
JR15005_79 |
1 |
1598.G02 |
1 |
1 |
0 |
||
JR15005_93 |
3 |
1955.G02 |
1 |
1 |
0 |
||
1957.G02 |
1 |
1 |
0 |
||||
1959.G02 |
1 |
1 |
0 |
||||
JR15005_94 |
1 |
1996.G02 |
1 |
1 |
0 |
||
JR15005_95 |
3 |
2067.G02 |
1 |
1 |
0 |
||
2068.G02 |
1 |
1 |
0 |
||||
2069.G02 |
1 |
1 |
0 |
||||
JR15005_126 |
2 |
2712.G02 |
1 |
1 |
0 |
||
2713.G02 |
1 |
1 |
0 |
||||
JR15005_132 |
1 |
2855.G02 |
1 |
1 |
0 |
||
Miomelon turnerae |
4 |
JR15005_15 |
1 |
0273.G08 |
1 |
0 |
1 |
JR15005_83 |
2 |
1747.G08 |
2 |
1 |
1 |
||
JR15005_85 |
1 |
1792.G08 |
1 |
1 |
0 |
||
Tractolira sp. 1 |
1 |
JR15005_63 |
1 |
1264.G26 |
1 |
1 |
0 |
Paradmete cf. fragillima |
6 |
JR15005_43 |
1 |
0843.G22 |
1 |
1 |
0 |
JR15005_44 |
5 |
0892.G22 |
5 |
3 |
2 |
||
Paradmete percarinata |
10 |
JR15005_16 |
1 |
0296.G10 |
1 |
1 |
0 |
JR15005_61 |
4 |
1133.G10 |
4 |
3 |
1 |
||
JR15005_62 |
1 |
1163.G10 |
1 |
1 |
0 |
||
JR15005_63 |
2 |
1264.G10 |
1 |
0 |
1 |
||
1270.G10 |
1 |
0 |
1 |
||||
JR15005_83 |
1 |
1747.G10 |
1 |
1 |
0 |
||
JR15005_85 |
1 |
1792.G10 |
1 |
1 |
0 |
||
Paradmete sp. 1 |
1 |
JR15005_44 |
1 |
0892.G21 |
1 |
1 |
0 |
Belaturricula cf. ergata |
1 |
JR15005_132 |
1 |
2841.G31 |
1 |
1 |
0 |
Belaturricula gaini |
3 |
JR15005_44 |
1 |
0892.G18 |
1 |
0 |
1 |
JR15005_112 |
1 |
2290.G18 |
1 |
1 |
0 |
||
JR15005_126 |
1 |
2750.G18 |
1 |
1 |
0 |
||
Typhlodaphne paratenoceras |
10 |
JR15005_15 |
1 |
0273.G09 |
1 |
1 |
0 |
JR15005_61 |
1 |
1133.G09 |
1 |
0 |
1 |
||
JR15005_62 |
2 |
1163.G09 |
2 |
1 |
1 |
||
JR15005_79 |
1 |
1600.G09 |
1 |
0 |
1 |
||
JR15005_83 |
1 |
1747.G09 |
1 |
1 |
0 |
||
JR15005_85 |
2 |
1792.G09 |
2 |
2 |
0 |
||
JR15005_112 |
1 |
2290.G09 |
1 |
0 |
1 |
||
JR15005_113 |
1 |
2387.G09 |
1 |
0 |
1 |
||
Neogastropoda cf. Borsoniidae sp. 1 |
2 |
JR15005_112 |
1 |
2290.G37 |
1 |
1 |
0 |
JR15005_119 |
1 |
2533.G37 |
1 |
1 |
0 |
||
Lorabela pelseneeri |
1 |
JR15005_6 |
1 |
0152.G14 |
1 |
1 |
0 |
Pleurotomella cf. simillima |
1 |
JR15005_63 |
1 |
1264.G28 |
1 |
1 |
0 |
Aforia magnifica |
15 |
JR15005_15 |
1 |
0273.G06 |
1 |
0 |
1 |
JR15005_33 |
1 |
0728.G06 |
1 |
1 |
0 |
||
JR15005_61 |
4 |
1133.G06 |
4 |
2 |
2 |
||
JR15005_62 |
2 |
1163.G06 |
2 |
2 |
0 |
||
JR15005_70 |
1 |
1486.G06 |
1 |
0 |
1 |
||
JR15005_79 |
2 |
1600.G06 |
2 |
0 |
2 |
||
JR15005_90 |
1 |
1832.G06 |
1 |
1 |
0 |
||
JR15005_91 |
2 |
1893.G06 |
2 |
2 |
0 |
||
JR15005_113 |
1 |
2387.G06 |
1 |
1 |
0 |
||
Conorbela antarctica |
23 |
JR15005_15 |
1 |
0273.G05 |
1 |
1 |
0 |
JR15005_61 |
9 |
1133.G05 |
9 |
5 |
4 |
||
JR15005_62 |
3 |
1163.G05 |
3 |
2 |
1 |
||
JR15005_63 |
6 |
1264.G05 |
2 |
1 |
1 |
||
1270.G05 |
4 |
2 |
2 |
||||
JR15005_70 |
1 |
1486.G05 |
1 |
0 |
1 |
||
JR15005_85 |
3 |
1792.G05 |
3 |
3 |
0 |
||
Micropleurotoma sp. 1 |
9 |
JR15005_61 |
5 |
1133.G15 |
5 |
1 |
4 |
JR15005_63 |
4 |
1264.G15 |
3 |
2 |
1 |
||
1270.G15 |
1 |
0 |
1 |
||||
Nothoadmete consobrina |
3 |
JR15005_61 |
1 |
1133.G27 |
1 |
1 |
0 |
JR15005_63 |
2 |
1264.G27 |
2 |
2 |
0 |
||
Neactaeonina edentula |
3 |
JR15005_54 |
1 |
1029.G24 |
1 |
0 |
1 |
JR15005_61 |
1 |
1133.G24 |
1 |
1 |
0 |
||
JR15005_100 |
1 |
2102.G24 |
1 |
1 |
0 |
||
Newnesia sp. 1 |
3 |
JR15005_105 |
1 |
2225.G44 |
1 |
1 |
0 |
JR15005_138 |
2 |
2903.G44 |
2 |
2 |
0 |
||
Philine sp. 1 |
4 |
JR15005_15 |
1 |
0363.G11 |
1 |
1 |
0 |
JR15005_16 |
1 |
0312.G11 |
1 |
1 |
0 |
||
JR15005_17 |
2 |
0335.G11 |
2 |
2 |
0 |
||
Prodoris cf. clavigera |
2 |
JR15005_113 |
1 |
2386.G66 |
1 |
1 |
0 |
JR15005_125 |
1 |
2672.G66 |
1 |
1 |
0 |
||
Doris kerguelenensis |
5 |
JR15005_33 |
2 |
0709.G62 |
2 |
2 |
0 |
JR15005_91 |
1 |
1896.G62 |
1 |
1 |
0 |
||
JR15005_113 |
1 |
2386.G62 |
1 |
1 |
0 |
||
JR15005_114 |
1 |
2457.G62 |
1 |
1 |
0 |
||
Nudibranchia sp. 1 |
2 |
JR15005_79 |
1 |
1613.G63 |
1 |
1 |
0 |
JR15005_81 |
1 |
1694.G63 |
1 |
1 |
0 |
||
Nudibranchia sp. 2 |
1 |
JR15005_81 |
1 |
1694.G64 |
1 |
1 |
0 |
Nudibranchia sp. 3 |
1 |
JR15005_94 |
1 |
1998.G65 |
1 |
1 |
0 |
Dentalium majorinum |
15 |
JR15005_61 |
2 |
1132.S01 |
2 |
1 |
1 |
JR15005_63 |
3 |
1263.S01 |
3 |
2 |
1 |
||
JR15005_68 |
1 |
1343.S01 |
1 |
0 |
1 |
||
JR15005_70 |
6 |
1469.S01 |
6 |
5 |
1 |
||
JR15005_79 |
1 |
1600.S01 |
1 |
0 |
1 |
||
JR15005_91 |
2 |
1895.S01 |
2 |
2 |
0 |
||
Siphonodentalium dalli |
105 |
JR15005_6 |
77 |
0155.S02 |
77 |
75 |
2 |
JR15005_61 |
6 |
1132.S02 |
6 |
6 |
0 |
||
JR15005_62 |
1 |
1162.S02 |
1 |
1 |
0 |
||
JR15005_63 |
21 |
1263.S02 |
21 |
21 |
0 |
All records were validated. Coordinates were plotted on a map to verify that the actual geographical location corresponds to its locality. Event dates and time were converted into ISO 8601 and verified with the field reports. All scientific names were checked for typos and matched to the species information backbone of the World Register of Marine Species (
Continental shelf and slope of the South Orkney Islands, Southern Ocean.
-62.4202 and -60.2135 Latitude; -47.1704 and -41.0376 Longitude.
The present dataset provides information on the phylum Mollusca and includes five classes (Aplacophora, Polyplacophora, Bivalvia, Gastropoda and Scaphopoda). In total, 2276 living individuals were collected, representing 36 families, 67 species and 163 species-level distributional records (Table
This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 Licence.
The dataset, published by
The dataset column descriptions below are modified after
Column label | Column description |
---|---|
id | Identifier of a record, consisting of the cruise number (JR15005), underscore, 4-digit vial number as assigned in the field, dot, alphanumeric morphospecies code, underscore and a single letter indicating whether the record pertains to live collected individuals (“A”) or empty shells (“D”). |
type | The nature or genre of the resource. |
language | Language of the resource. |
institutionID | An identifier for the institution having custody of the object(s) referred to in the record. |
institutionCode | The acronym in use by the institution having custody of the object(s) referred to in the record. |
basisOfRecord | The specific nature of the data record. |
occurrenceID | An identifier for the Occurrence (as opposed to a particular digital record of the Occurrence). For details, see description of column id. |
catalogNumber | An identifier for the record within the dataset or collection. For details, see description of column id. |
organismQuantity | Number of specimens. Loose valves of bivalves were counted as one specimen each. |
organismQuantityType | The type of quantification system used for the quantity of Organisms. |
occurrenceStatus | A statement about the presence or absence of a Taxon at a Location. |
preparations | A list (concatenated and separated) of preparations and preservation methods for a specimen. |
occurrenceRemarks | Comments or notes about the Occurrence. Indicates whether specimen(s) was/were live collected or dead (i.e., empty shells). |
eventID | An identifier for the set of information associated with an Event (something that occurs at a place and time) – RRS James Clark Ross JR15005 station number. |
fieldNumber | An identifier given to the Event in the field. |
eventDate | The date-time when the Event was recorded. |
year | The four-digit year in which the Event occurred, according to the Common Era Calendar. |
month | The integer month in which the Event occurred. |
day | The integer day of the month on which the Event occurred. |
verbatimEventDate | The verbatim original representation of the date and time information for an Event. |
samplingProtocol | The names of, references to, or descriptions of the methods or protocols used during an Event. |
countryCode | The standard code for the country in which the Location occurs. |
locality | The specific description of the place. |
minimumDepthInMeters | The lesser depth of a range of depth for the Event below the local surface, in metres. |
maximumDepthInMeters | The greater depth of a range of depth for the Event below the local surface, in metres. |
decimalLatitude | The geographic latitude (in decimal degrees, using the spatial reference system given in geodeticDatum) of the geographic centre of a Location. Positive values are north of the equator, negative values are south of it. |
decimalLongitude | The geographic longitude (in decimal degrees, using the spatial reference system given in geodeticDatum) of the geographic centre of a Location. Positive values are east of the Greenwich Meridian, negative values are west of it. |
geodeticDatum | The ellipsoid, geodetic datum, or spatial reference system (SRS) upon which the geographic coordinates given in decimalLatitude and decimalLongitude are based. |
coordinateUncertaintyInMeters | The horizontal distance (in metres) from the given decimalLatitude and decimalLongitude describing the smallest circle containing the whole of the Location. |
coordinatePrecision | A decimal representation of the precision of the coordinates given in the decimalLatitude and decimalLongitude. |
footprintWKT | A Well-Known Text (WKT) representation of the shape (footprint, geometry) that defines the Location. |
footprintSRS | The ellipsoid, geodetic datum, or spatial reference system (SRS) upon which the geometry given in footprintWKT is based. |
verbatimIdentification | A string representing the taxonomic identification as it appeared in the original record. |
identificationQualifier | A brief phrase or a standard term ("cf.", "aff.") to express the determiner's doubts about the Identification. |
identifiedBy | A list (concatenated and separated) of names of people, groups, or organisations who assigned the Taxon to the subject. |
identifiedByID | A list (concatenated and separated) of the globally unique identifier (ORCID iD) for the person, people, groups, or organisations responsible for assigning the Taxon to the subject. |
identificationRemarks | Comments or notes about the Identification. |
scientificNameID | Taxon number (Life Science Identifier, LSID) according to the World Register of Marine Species (https://www.marinespecies.org). |
scientificName | The full scientific name, corresponding to the lowest level taxonomic rank that can be determined. |
kingdom | The full scientific name of the kingdom in which the Taxon is classified. |
phylum | The full scientific name of the phylum in which the Taxon is classified. |
class | The full scientific name of the class in which the Taxon is classified. |
order | The full scientific name of the order in which the Taxon is classified. |
family | The full scientific name of the family in which the Taxon is classified. |
genus | The full scientific name of the genus in which the Taxon is classified. |
specificEpithet | The name of the first or species epithet of the scientificName. |
taxonRank | The taxonomic rank of the most specific name in the scientificName. |
scientificNameAuthorship | The authorship information for the scientificName formatted according to the conventions of the applicable nomenclaturalCode. |
We show appreciation to the captain, crew and scientific team members of the RRS James Clark Ross expedition JR15005. We further would like to thank Robert Mesibov for his helpful feedback on our dataset and Cristian Aldea, an anonymous reviewer and the editor Anton P. van de Putte for their constructive comments.
JS identified and counted specimens, compiled the data, wrote and edited the manuscript. KL identified specimens, provided lab equipment and edited the manuscript. YMG compiled and prepared data for submission to GBIF and edited the manuscript. HG was PI of JR15005, provided the specimens, compiled and edited data and edited the manuscript.