Biology:Uintacrinus

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Short description: Extinct genus of crinoids


Uintacrinus
Temporal range: Cretaceous
From the Niobrara Formation during the Upper Cretaceous in Western Kansas, US, Uintacrinus socialis Grinnell.jpg
Scientific classification
Kingdom:
Phylum:
Subphylum:
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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.[1] It lived in the Western Interior Seaway. This crinoid was a colonial animal with ten long arms each that it used to capture prey.[2]

Footnotes

Sources

References

Wikidata ☰ Q1061788 entry