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Title: Uintacrinus  
Author: World Heritage Encyclopedia
Language: English
Subject: University of Wisconsin–Madison
Publisher: World Heritage Encyclopedia


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

Uintacrinus ("crinoid from the Uinta Mountains") is an extinct genus of crinoid 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]


  1. ^ Mike Everhart, (2004).
  2. ^ Mike Everhart, (2004).


  • Fossils (Smithsonian Handbooks) by David Ward (Page 174)
  • "Notes on Uintacrinus socialis Grinnell"


  • Everhart, Mike "Notes on Uintacrinus socialis Grinnell"
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