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By: Jenkins, W A MType: ArticleIn: PalaeontologyVolume: 13Series:Issue:Date: 1970Page Range: 261--288Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Jenkins, W A MType: ArticleIn: PalaeontologyVolume: 10Series:Issue:Date: 1967Page Range: 436--488Publication Info: London, Palaeontological Association, 1957-Subjects: