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''Chasmatopora'' is an extinct bryozoan which existed in what is now Mongolia, China, Estonia, Russia, Poland, Argentina, the United States and Canada. It was described by Alcide d'Orbigny in 1849, and the type species is ''Chasmatopora tenella'', which was originally described as a species of ''Retepora'' by Eichwald in 1842.〔(''Chasmatopora'' ) at www.bryozoa.net.〕 ==Species== * ''Chasmatopora aperta'' Kopajevich, 1984 * ''Chasmatopora disparilis'' Liu, 1980 * ''Chasmatopora extensa'' Liu, 1980 * ''Chasmatopora flexa'' Zheng, 1990 * ''Chasmatopora livonica'' (Nekhoroshev, 1960) * ''Chasmatopora moyeroensis'' Nekhoroshev, 1955 * ''Chasmatopora pusilla'' Astrova, 1965 * ''Chasmatopora silurica'' (Kopaevich, 1975) * ''Chasmatopora sublaxa'' Ulrich, 1890 * ''Chasmatopora tenella'' (Eichwald, 1842) * ''Chasmatopora tricellata'' (Nekhoroshev, 1955) * ''Chasmatopora rossae'' Ernst & Carrera, 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「Chasmatopora」の詳細全文を読む スポンサード リンク
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