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By: Barr, F. T.Type: ArticleIn: PalaeontologyVolume: 9Series:Issue:Date: 1966Page Range: 220--243Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Barr, F. T.Type: ArticleIn: PalaeontologyVolume: 9Series:Issue:Date: 1966Page Range: 492--510Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Barr, F. T.Type: ArticleIn: PalaeontologyVolume: 4Series:Issue:Date: 1962Page Range: 552--580Publication Info: London, Palaeontological Association, 1957-Subjects: