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Cnemecrinus
Taxonomy
Cnemecrinus was named by Guensburg and Sprinkle (2003). Its type is Cnemecrinus fillmorensis.
It was assigned to Reteocrinidae by Guensburg and Sprinkle (2003).
It was assigned to Reteocrinidae by Guensburg and Sprinkle (2003).
Species
C. fillmorensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2003 | Cnemecrinus Guensburg and Sprinkle |
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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.
G. †Cnemecrinus Guensburg and Sprinkle 2003
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†Cnemecrinus fillmorensis Guensburg and Sprinkle 2003
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. E. Guensburg and J. Sprinkle 2003 | Reteocrinids 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. |
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004 | |||||