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By: Craig, G Y - Jones, N SType: ArticleIn: PalaeontologyVolume: 9Series:Issue:Date: 1966Page Range: 30--38Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Craig, G Y - Hallam, A. (Anthony),Type: ArticleIn: PalaeontologyVolume: 6Series:Issue:Date: 1963Page Range: 731--750Publication Info: London, Palaeontological Association, 1957-Subjects: