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Crepicephalus : ウィキペディア英語版 | Crepicephalus
''Crepicephalus'' is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the Dresbachian faunal stage of the late Cambrian Period.〔 == Reassigned species == Some species, previously described as ''Crepicephalus'' have since been moved to other genera. * ''C. angusta'' = ''Kochaspis angusta'' * ''C. convexus'' = ''Crepicephalina convexa'' * ''C. liliana'' = ''Kochaspis liliana'' * ''C. nitidus'' = ''Dunderbergia nitida'' * ''C. quadrans'' = ''Ehmaniella quadrans'' * ''C. unca'' = ''Uncaspis unca''
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「Crepicephalus」の詳細全文を読む
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