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Uintacrinus
''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.〔Mike Everhart, (2004). http://www.oceansofkansas.com/Uintacrinus.html〕 It lived in the Western Interior Seaway. This crinoid was a colonial animal with ten long arms each that it used to capture prey.〔Mike Everhart, (2004). http://www.oceansofkansas.com/Uintacrinus.html〕 ==Footnotes==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Uintacrinus」の詳細全文を読む
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