WoRMS taxon details
original description
Thomson, C.W. (1864). Sea lilies. <em>The Intellectual Observer.</em> 6: 1-11., available online at https://www.biodiversitylibrary.org/page/39489170 [details]
basis of record
Hess H. (2011). Isocrinida. <em>In: Hess, H., Messing, C.G., Ausich, W.I. (Eds.), Treatise on Invertebrate Paleontology, Part T, Echinodermata 2 Revised, Crinoidea, vol. 3. University of Kansas Press, Lawrence, Kansas.</em> 42–69. [details]
additional source
Roux M, Messing CG, Améziane N (2002) Artificial keys to the genera of living stalked crinoids (Echinodermata). <i>Bulletin of Marine Science</i> 70:799–830, 10 figs. [details]
From editor or global species database
Diagnosis Diplocrininae with bowl-shaped cup. Basals rather small, separated on surface of cup. Arms divided at primibrachial 2; approximately 6 secundibrachials; further divisions with variable intervals, and distal brachitaxis series with more than 6 brachials. Cryptosyzygy between brachials 1 and 2 of brachitaxes, all other brachial articulations muscular. Proximal columnals pentalobate, alternating in size and with radial pores in the suture; distal column subcylindrical. Internodes of 13 to 21 internodals, less in proximal part of column; nodals slightly larger than internodals, and with 5 large, elliptical cirrus sockets facing outward; cirri long. [details]
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