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Frechites
''Frechites'' is an early Triassic ammonite, a kind of cephalopod with an external shell, included in the ceratitid family Beyrichitidae. ==Taxonomic revision== J.P. Smith, 1932, put ''Frechites'' in the Ceratididae where it remained included in the Treatise Part L. It was later removed to the Beyrichitidae, established by Spath, 1934.
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「Frechites」の詳細全文を読む
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