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By: Owen, David EType: ArticleIn: PalaeontologyVolume: 5Series:Issue:Date: 1962Page Range: 195--212Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Owen, David EType: ArticleIn: PalaeontologyVolume: 12Series:Issue:Date: 1969Page Range: 621--636Publication Info: London, Palaeontological Association, 1957-Subjects: