Clark, H. L. (1908). The apodous holothurians. A monograph of the Synaptidae and Molpadiidae. <em>Smithsonian Contributions to Knowledge.</em> 35(1732): 1-231., available online athttp://dx.doi.org/10.5962/bhl.title.28255[details]
original descriptionClark, H. L. (1908). The apodous holothurians. A monograph of the Synaptidae and Molpadiidae. <em>Smithsonian Contributions to Knowledge.</em> 35(1732): 1-231., available online athttp://dx.doi.org/10.5962/bhl.title.28255[details]
basis of recordHansson, H.G. (2001). Echinodermata, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i>. 50: pp. 336-351. (look up in IMIS) [details]