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Uintacrinus Temporal range: Cretaceous
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Subphylum:	Crinozoa
Class:	Crinoidea
Order:	Uintacrinida
Genus:	Uintacrinus
Species
U. socialis

Uintacrinus ("crinoid from the Uinta Mountains") is an extinct genus of crinoids from the Cretaceous of Kansas. It was unusual among crinoids because it had no stalk, and probably floated above the seafloor. It lived in the Western Interior Seaway. This crinoid was a colonial animal with ten long arms each that it used to capture prey.

Footnotes

1. Mike Everhart, (2004). http://www.oceansofkansas.com/Uintacrinus.html
2. Mike Everhart, (2004). http://www.oceansofkansas.com/Uintacrinus.html

Sources

• Fossils (Smithsonian Handbooks) by David Ward (Page 174)
• "Notes on Uintacrinus socialis Grinnell" http://www.oceansofkansas.com/Uintacrinus.html

References

• Everhart, Mike "Notes on Uintacrinus socialis Grinnell" http://www.oceansofkansas.com/Uintacrinus.html
• Bather, Francis Arthur (1895). "On Uintacrinus: a Morphological Study". Proceedings of the Zoological Society of London. 1895. illustrated by Frederick Octavius Pickard-Cambridge: 974–1004. Retrieved 2020-04-13.

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