WoRMS source details

Hess H. (2011). Cyrtocrinida. 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. 180–206.
165243
Hess H.
2011
Cyrtocrinida.
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
180–206
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2013-01-12 18:30:12Z
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 Diagnosis
 for Cyathidium Steenstrup, 1847

Holopodidae with entire animal reduced to a convex cap or rounded cone of variable height. First primibrachial (and ... [details]
 Diagnosis
 for Cyrtocrinida

Articulata with cup with or without proximale or distinct basals that may be hidden; cup may be elongated and ... [details]
 Diagnosis
 for Cyrtocrinina

Cyrtocrinida with column and attachment disk present. [details]
 Diagnosis
 for Eudesicrinidae Bather, 1899

Holopodina with cup thick walled, with 5 radials separated by distinct sutures; one radial commonly considerably ... [details]
 Diagnosis
 for Holopodidae Zittel, 1879

Holopodina with Cup composed of fused radials attached by slightly extended base to substrate without articulation ... [details]
 Diagnosis
 for Holopodina

Cyrtocrinida with cup with radials and base (so-called dorsal element) attached directly to substrate. Generally no ... [details]
 Diagnosis
 for Holopus Orbigny, 1837

Holopodidae with cup tubular, more or less irregular, commonly with radial ridges or rows of tubercles. Upper edge ... [details]
 Diagnosis
 for Neogymnocrinus Hess, 2006

Sclerocrinidae with cup asymmetric, formed mostly by first primibrachials with closely fitting extensions that seal ... [details]
 Diagnosis
 for Neogymnocrinus richeri (Bourseau, Améziane-Cominardi & Roux, 1987)

Same as genus. [details]
 Diagnosis
 for Proeudesicrinus Améziane-Cominardi & Bourseau, 1990 (in Améziane-Cominardi et al., 1990)

Eudesicrinidae with cup compact, with deep radial cavity, lower portion a fused cylinder (perhaps basals, or basals ... [details]
 Diagnosis
 for Sclerocrinidae Jaekel, 1918

Cyrtocrinina with cup compact, commonly asymmetrical, highly variable and typically more or less oblique and ... [details]

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