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Caprina
''Caprina'' is a genus of rudists, a group of marine heterodont bivalves belonging to the family Caprinidae.〔(GBIF )〕 These stationary intermediate-level epifaunal suspension feeders lived in the Cretaceous period, from 140.2 to 70.6 Ma. 〔 The rudists went extinct at the end of the Cretaceous, apparently as a result of the Cretaceous–Paleogene extinction event. Fossils of this genus have been found in the sediments of Europe, Japan. Cuba, Mexico and United States. 〔 ==References==
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「Caprina」の詳細全文を読む
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