cf. Amperima morphospecies in situ on seafloor. Scale bar is 10 cm. Image attribution: DJ Amon & CR Smith, University of Hawai’i.  
  Part of: Amon D, Ziegler A, Kremenetskaia A, Mah C, Mooi R, O'Hara T, Pawson D, Roux M, Smith C (2017) Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Echinodermata. Biodiversity Data Journal 5: e11794. https://doi.org/10.3897/BDJ.5.e11794