original description
Clark, A. H. (1936). Five new genera and two new species of unstalked Crinoids. <em>Proceedings of the U.S. National Museum.</em> 83:245–250. [details]
basis of record
Clark, A. H., Clark, A. M. (1967). A monograph of the existing crinoids. <em>Bulletin of the United States National Museum.</em> (82): 1-860. [details]
additional source
Clark, A. H., Clark, A. M. (1967). A monograph of the existing crinoids. <em>Bulletin of the United States National Museum.</em> (82): 1-860. [details]
additional source
Hess H, Messing CG (2011) Comatulida. In: Hess H, Messing CG, Ausich WI. Treatise on Invertebrate Paleontology, Part T, Echinodermata 2 Revised, Crinoidea, vol. 3. University of Kansas Press, Lawrence, Kansas, pp. 70–146. [details]
Present
Inaccurate
Introduced: alien
Containing type locality
From editor or global species database
Diagnosis Centrodorsal conical, higher or lower than wide, without interradial ridges, grooves, or spaces, with sockets in 10 or 15 columns not segregated into radial groups. Largest cirri with as many as 35 cirrals. Proximal brachials spiny or not. First 2 pinnules with elongate distal segments, shorter than third pinnule. [details]