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''Periaulax'' is an extinct genus of gastropods in the Trochidae family. == Species == Species in the genus ''Periaulax'' include: * ''Periaulax rimosus''〔Kollmann H. A. & Odin G. S. (2001) "Chapter D2 Gastropods from the Upper Cretaceous geological site at Tercis les Bains (SW France)".''Developments in Palaeontology and Stratigraphy'' 19: 437-451. .〕 * ''Periaulax tsheganica'' Amitrov, 2010 - It existed in what is now Kazakhstan during the Eocene period.〔Amitrov O. (2010). "Gastropods of rare families from the Tshegan Formation of Kazakhstan". ''Paleontological Journal'' 44(4): 384-390. .〕 It formerly contained the species ''Periaulax spiratus'', which is currently recognized as ''Margarites spiratus''.〔(1984). ''Annales de la Société royale zoologique de Belgique'', Published by the Society 114-116: 316.〕 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「Periaulax」の詳細全文を読む スポンサード リンク
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