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|regnum = Animalia |phylum = Mollusca |classis = Cephalopoda |subclassis - Ammonoidea |ordo = Ammonitida |familia = Olcostephanidae |genus = ''Bihenduloceras'' |genus_authority = Spath, 1945 |subdivision_ranks = Species |subdivision = None catloged }} ''Bihenduloceras'' is an Upper Jurassic perisphinctacean ammonite and member of the olcostephanid subfamily Spiticeratine. Its shell has a subquadrate whorl section, flattended venter, and fine ribs that spring in bundles from large umbilical tubercles. ==References== ;Notes ;Bibliography *Arkell, et al., 1957. Mesozoic Ammonoidea; Treatise on Invertebrate Paleontology, Part L. Geological Society of America and University of Kansas Press. 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「Bihenduloceras」の詳細全文を読む スポンサード リンク
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