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Beatites
''Beatites'' is a Lower Triassic ammonite characterized by a somewhat strongly involute and greatly compressed shell with a sharp, oxyconic, venter. ''Beatites'' was first found in Albania and is assigned to the ceratatiid family Hedenstroemiidae. ==References== *Arkell, W.J, ''et al'', 1957. Treatise on Invertebrate Paleontology; Geological Society of America and University of Kansas Press. *List of Cephalopod genera, J.J. Sepkoski. ()
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「Beatites」の詳細全文を読む
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