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By: Ford, Trevor DavidType: ArticleIn: PalaeontologyVolume: 8Series:Issue:Date: 1965Page Range: 186--191Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Ford, Trevor David - Breed, William JType: ArticleIn: PalaeontologyVolume: 16Series:Issue:Date: 1973Page Range: 535--550Publication Info: London, Palaeontological Association, 1957-Subjects: