Gilbertsocrinus

Extinct genus of crinoids From Wikipedia, the free encyclopedia

Gilbertsocrinus are an extinct genus of Paleozoic stalked crinoids.[2]

Quick facts Scientific classification ...
Gilbertsocrinus
Temporal range: Devonian–Carboniferous [1]
G. tuberosus specimen, National Museum of Natural History
Scientific classification
Kingdom:
Animalia
Phylum:
Echinodermata
Class:
Crinoidea
Family:
Rhodocrinidae
Genus:
Gilbertsocrinus

Phillips 1836
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These stationary upper-level epifaunal suspension feeders lived in the Devonian of the Czech Republic and United States, as well as in the Carboniferous of the United Kingdom and United States, from 416.0 to 345.0 Ma.[1]

Species

  • Gilbertsocrinus alpenensis Ehlers 1925
  • Gilbertsocrinus intersculptus Goldring 1936
  • Gilbertsocrinus rarispinus Goldring 1936
  • Gilbertsocrinus tuberosus (Lyon & Casseday)

[1]

Description

Gilbertsocrinus are quite common crinoids with some unusual features. They have a flexible column, an unusual holdfast, tegmen appendages and minute arms.[3][4]

References

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