WoRMS note details

TypeDiagnosis
LanguageEnglish
ISO 639-3eng
NoteBourgueticrinidae with sutures between cup ossicles indistinct; basals commonly fused. Number of radials and arms generally 5, rarely 4 to 7. Every second brachial articulation synostosial or cryptosynarthrial. Articulation between cup and column commonly constricted, distinct proximale absent. Facets of elliptical distal columnals with ligament fossae forming a low, fat figure 8.
SourceHess H (2011) Bourgueticrinina. 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, pp. 146–158.
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2013-03-20 02:22:23Z  created  Messing, Charles