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By: Swan, Andrew R H - Kershaw, StephenType: ArticleIn: PalaeontologyVolume: 37Series:Issue:Date: 1994Page Range: 409--423Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Kershaw, StephenType: ArticleIn: PalaeontologyVolume: 27Series:Issue:Date: 1984Page Range: 113--130Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Kershaw, StephenType: ArticleIn: PalaeontologyVolume: 33Series:Issue:Date: 1990Page Range: 681--705Publication Info: London, Palaeontological Association, 1957-Subjects: