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By: Wellstead, Carl F.Edition:Publication info: 1991Volume:Series:Holding Institution: American Museum of Natural History LibrarySubjects:BHL Collections:
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By: Wellstead, Carl F.Type: ArticleIn: PalaeontologyVolume: 25Series:Issue:Date: 1982Page Range: 193--208Publication Info: London, Palaeontological Association, 1957-Subjects: