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By: Mateer, Niall JType: ArticleIn: PalaeontologyVolume: 30Series:Issue:Date: 1987Page Range: 141--145Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Mateer, Niall JType: ArticleIn: PalaeontologyVolume: 25Series:Issue:Date: 1982Page Range: 461--469Publication Info: London, Palaeontological Association, 1957-Subjects: