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|regnum = Animalia |phylum = Mollusca |classis = Cephalopoda |subclassis = Ammonoidea |ordo = Ammonitida |superfamilia = Stephanocerataceae |familia = Otoitidae |genus = ''Docidoceras'' |genus_authority =Buckman, 1919 |subdivision_ranks = Species |subdivision = *''D. biforme'' *''D. chandleri'' *''D. chocsinkyi'' *''D. cylindroides'' *''D. wysogorskii'' *''D. zemistephanoides'' }} ''Docidoceras'' is an extinct ammonite genus from the order Ammonitida that lived during the Middle Jurassic. ''Docidoceras'' is included in the family Otoitidae which makes up part of the ammonite superfamily Stephanocerataceae. ''Docidoceras'' has a broad, finely ribbed, evolute shell with a depressed whorl section. The venter,the outer rim, is broadly arched and crossed by the ribs without interruption. The dorsum, on the inner rim of the whorls is broadly impressed. ==Distribution== Jurassic of Canada, Morocco, Spain and the United Kingdom. 〔 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「Docidoceras」の詳細全文を読む スポンサード リンク
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