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By: Jennings, James R - Millay, Michael AType: ArticleIn: PalaeontologyVolume: 22Series:Issue:Date: 1979Page Range: 913--920Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Jennings, James R - Millay, Michael AType: ArticleIn: PalaeontologyVolume: 21Series:Issue:Date: 1978Page Range: 709--716Publication Info: London, Palaeontological Association, 1957-Subjects: