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|color = rgb(210,210,164) |classis = Cephalopoda |subclassis = Ammonoidea |ordo = Lytoceratida |superfamilia = Lytoceratidae |familia = Alocolytoceratinae |genus = ''Audaxlytoceras'' |genus_authority = Fucini, 1923 |subdivision_ranks = Species 〔(Paleobiology Database - Audaxlytoceras ). 2014-05-29.〕 |subdivision = * ''A. apertum'' * ''A. audax'' * ''A. grandonense'' * ''A. spirorbis'' * ''A. varicosum'' }} ''Audaxlytoceras'' is an extinct lytoceratid from the Lower Jurassic. Its shell small, smooth, evolute (all whorls showing), only slightly impressed dorsally (along the inner rim). Whorls are compressed, subquadrate in section, higher than wide, with few narrow constrictions. The suture relatively simple with a long ventral lobe and two lateral lobes. The Middle Jurassic ''Nannolytoceras'' is its closest relative ==References== ;Notes ;Bibliography *Arkell, et al. 1957. Mesozoic Ammonoidea, Systematic Descriptions. Treatise on Invertebrate Paleontology Part L, Ammonoidea. Geol Soc of Amer. and Univ Kans. Press. ''L''199 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「Audaxlytoceras」の詳細全文を読む スポンサード リンク
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