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By: Rayner, R J - Waters, S. B.Type: ArticleIn: PalaeontologyVolume: 32Series:Issue:Date: 1989Page Range: 669--673Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Rayner, R JType: ArticleIn: PalaeontologyVolume: 28Series:Issue:Date: 1985Page Range: 111--120Publication Info: London, Palaeontological Association, 1957-Subjects: