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By: Shergold, J H - Cooper, R. A. (Roger Alan), - MacKinnon, David Ironside - Yochelson, Ellis L. (Ellis Leon),Type: ArticleIn: PalaeontologyVolume: 19Series:Issue:Date: 1976Page Range: 247--291Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Cooper, R. A. (Roger Alan), - Fortey, Richard AType: ArticleIn: Bulletin of the British Museum (Natural History) GeologyVolume: 36Series:Issue:Date: 1982Page Range: 157--302Publication Info: London, BM(NH),Subjects:
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By: Cooper, R. A. (Roger Alan),Type: ArticleIn: PalaeontologyVolume: 16Series:Issue:Date: 1973Page Range: 45--115Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Cooper, R. A. (Roger Alan), - Yunan, NiType: ArticleIn: PalaeontologyVolume: 29Series:Issue:Date: 1986Page Range: 313--363Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Cooper, R. A. (Roger Alan), - Stewart, I RType: ArticleIn: PalaeontologyVolume: 22Series:Issue:Date: 1979Page Range: 767--797Publication Info: London, Palaeontological Association, 1957-Subjects: