original description
Sieverts-Doreck H (1952)IN Moore RC, Lalicker CG, Fischer AG (1952) Invertebrate fossils. McGraw-Hill. New York, Toronto, London. 766 p., 455 fig. [details]
basis of record
Hess H. (2011). Cyrtocrinida. <em>In: Hess H, Messing CG, Ausich WI (Eds.), Treatise on Invertebrate Paleontology, Part T, Echinodermata 2 Revised, Crinoidea, vol. 3. University of Kansas Press, Lawrence, Kansas.</em> 180–206. [details]
additional source
Check list of Antarctic and Subantarctic Crinoidea by Marc Eleaume. (look up in IMIS) [details]
From editor or global species database
Diagnosis Articulata with cup with or without proximale or distinct basals that may be hidden; cup may be elongated and columnlike. Column short; columnals, when present, cylindrical, without nodals and cirri, articulation symplectial to cryptosymplectial, immovable. Arms divided at primibrachial 1 or 2; no further division except in Neogymnocrinus. Secundibrachials with muscular, rarely synostosial, articulations. Attachment by disk, where known, or cup attached directly to the substrate. [details]