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Fresvillia
''Fresvillia'' is an extinct cephalopod genus belonging to baculitid family of the ammonoid order Ancyloceratida that lived during the Late Cretaceous, found in France. Baculitids are a kind of heteromorph ammonite characterized by a straight adult shaft, often preceded by a small coiled juvenile portion. ''Baculites'', ''Boehmoceras'', ''Eubaculites'', and ''Lechites'', are among related genera. ==References==
* (Fresvillia-Paleodb )
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「Fresvillia」の詳細全文を読む
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