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''Athyris'' is a brachiopod genus with a subequally biconvex shell that is generally wider than long and a range that extends from the Silurian into the Triassic. ''Athyris'' is the type genus for the Athyrididae, which belongs to the articulate order Athyridida. R.C. Moore (1952) gives a shorter range, from the Mid Devonian to the Lower Mississippian. ''Alverezites'', ''Bruntonites'', and ''Meristospira'' are among related genera. == Reassigned species == Some species originally included in Athyris have been reassigned. * ''A. aliena'' = ''Septathyris aliena'' * ''A. headi'' = ''Catazyga'' * ''A. megalotis'' = ''Comelicania megalotis'' * ''A. peracuta'' = ''Janiceps peracuta'' * ''A. royssii'' = ''Cleiothyridina royssii'' * ''A. umbonata = ''Hindella umbonata'' 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「Athyris」の詳細全文を読む スポンサード リンク
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