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Kosmoceras medea : ウィキペディア英語版 | Kosmoceras medea
| regnum=Animalia | classis = Cephalopoda | subclassis = Ammonoidea | ordo = Ammonitida | superfamilia = Stephanocerataceae | familia = Kosmoceratidae | genus = Kosmoceras | binomial = ''K. medea'' | binomial_authority = Callomon 1955 }} ''Kosmoceras medea'' is a moderately evolute ammonite species from the Callovian (Middle Jurassic), lasting between 163.5 and 166.1 Ma. This species has a shell that reaches a size of about 40-60 mm. ==References==
* (Ammonites.fr ) * Colin S. Harris (Engineering geology of the Channel Tunnel ) * (''Kosmoceras'' ) in the Paleobiology Database
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「Kosmoceras medea」の詳細全文を読む
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