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By: Evans, Jeanne - Kemp, T. S. (Thomas Stainforth)Type: ArticleIn: PalaeontologyVolume: 18Series:Issue:Date: 1975Page Range: 25--40Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Evans, Jeanne - Kemp, T. S. (Thomas Stainforth)Type: ArticleIn: PalaeontologyVolume: 19Series:Issue:Date: 1976Page Range: 317--324Publication Info: London, Palaeontological Association, 1957-Subjects: