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By: Harris, Tom MType: ArticleIn: PalaeontologyVolume: 4Series:Issue:Date: 1961Page Range: 313--323Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Harris, Tom MType: ArticleIn: PalaeontologyVolume: 17Series:Issue:Date: 1974Page Range: 125--148Publication Info: London, Palaeontological Association, 1957-Subjects: