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''Magharina'' small upper Bajocian ammonite (order Ammonitida) with a small smooth involute shell having a single keel along the venter and extremely simple sutures. This genus, named by Arkell, 1952, is included in the ammonoid family, Oppeliidae (Haploceratoidea) and was first found in the Sinai. The type species is ''M. magharensis''. ==References== * *Late Bajocian Ammonites from the Cook Inlet Region, Alaska. USGS *Sepkoski's list of cephalopod genera () 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「Magharina」の詳細全文を読む スポンサード リンク
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