Diagnosis
provided by World Register of Marine Species
Heliometrinae with centrodorsal subconical to almost hemispherical, commonly low or with an aboral depression. Longest cirrals may be more than twice as long as wide. Brachials typically spinose.
- license
- cc-by-4.0
- copyright
- WoRMS Editorial Board
- bibliographic citation
- 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. 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.
- contributor
- Messing, Charles, C.G.
