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By: Cleal, Christopher J., - Laveine, J-P - Shute, C HType: ArticleIn: PalaeontologyVolume: 39Series:Issue:Date: 1996Page Range: 561--582Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Cleal, Christopher J., - Laveine, J-P - Shute, C HType: ArticleIn: PalaeontologyVolume: 41Series:Issue:Date: 1998Page Range: 383--386Publication Info: London, Palaeontological Association, 1957-Subjects: