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By: Hughes, C PType: ArticleIn: Bulletin of the British Museum (Natural History) GeologyVolume: 18Series:Issue:Date: 1969Page Range: 41--103Publication Info: London, BM(NH),Subjects:
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By: Hughes, C PType: ArticleIn: PalaeontologyVolume: 13Series:Issue:Date: 1970Page Range: 1--9Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Hughes, C P - Wright, A. J.Type: ArticleIn: PalaeontologyVolume: 13Series:Issue:Date: 1970Page Range: 677--690Publication Info: London, Palaeontological Association, 1957-Subjects: