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Cnemecrinus

Crinoidea - Reteocrinidae

Synonymy list
YearName and author
2003Cnemecrinus Guensberg and Sprinkle

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumCrinozoaMatsumoto 1929
classCrinoideaMiller 1821
subclassCamerataWachsmuth and Springer 1885
familyReteocrinidaeWachsmuth and Springer 1885
genusCnemecrinus

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
ReferenceDiagnosis
T. E. Guensberg and J. Sprinkle 2003Reteocrinids with wide conical cup, thinly plated pockets between pronounced cup plate ridging, interbrachial areas occupied by tesselate stellate plates, single large interbrachial contacting basals, CD interray wider than others, merging with sac-like tegmen (but lacking a sagittal anal ray-like ridge); arms nonpinnulate, isotomously branched at least four times, free Brr with rounded lateral protuberances; stem long, rounded pentalobate near crown, heteromorphic, tapering distally, cryptopentameric.