Gilbertsocrinus

Gilbertsocrinus Temporal range: Devonian–Carboniferous PreꞒ Ꞓ O S D C P T J K Pg N [1]
G. tuberosus specimen, National Museum of Natural History
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Crinoidea
Family:	Rhodocrinidae
Genus:	Gilbertsocrinus Phillips 1836

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

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

• Grinus 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

1. The Paleobiology Database
2. Encyclopedia of Life
3. . B. Meek Note on the Genus Gilbertsocrinus, Phillips
4. Kathy A. Hollisa and William I. Ausichb The Holdfast of Gilbertsocrinus tuberosus (Mississippian, Crinoidea)