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By: Morton, NType: ArticleIn: PalaeontologyVolume: 16Series:Issue:Date: 1973Page Range: 195--203Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Morton, NType: ArticleIn: PalaeontologyVolume: 15Series:Issue:Date: 1972Page Range: 504--518Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Morton, NType: ArticleIn: PalaeontologyVolume: 14Series:Issue:Date: 1971Page Range: 266--293Publication Info: London, Palaeontological Association, 1957-Subjects: