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By: Chaloner, W. G. (William Gilbert) - Mensah, M K - Crane, M DType: ArticleIn: PalaeontologyVolume: 17Series:Issue:Date: 1974Page Range: 925--947Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Donovan, D. T. (Desmond Thomas) - Crane, M DType: ArticleIn: PalaeontologyVolume: 35Series:Issue:Date: 1992Page Range: 273--296Publication Info: London, Palaeontological Association, 1957-Subjects: