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''Atsabites'' is an ammonoid cephalopod belonging to the ceratitid family Atsabitidae that lived during the Middle Permian between about 294 and 284 million years ago. The shell of ''Atsabites'' is evolute, discoidal; whorls slightly impressed dorsally, with numerous prominent lateral ribs and fine longitudinal lirae. ==References== *A.K.Miller, W.M.Furnish,& O.H.Schindewolf, 1957, Paleozoic Forms. Treatise on Invertebrate Paleontology Part L, Ammonoidea. Geological Society of America and University of Kansas Press. *Genus ''Atsabites'' in (GONIAT ) 6/04/12 *(''Atsabites'' entry on the Paleobiology Database ) accessed 4 June 2012 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「Atsabites」の詳細全文を読む スポンサード リンク
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