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By: Longbottom, A EType: ArticleIn: Bulletin of the British Museum (Natural History) GeologyVolume: 32Series:Issue:Date: 1979Page Range: 57--70Publication Info: London, BM(NH),Subjects:
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By: Longbottom, A EType: ArticleIn: Bulletin of the British Museum (Natural History) GeologyVolume: 38Series:Issue:Date: 1984Page Range: 1--26Publication Info: London, BM(NH),Subjects: