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By: Archangelsky, Sergio - Wagner, R. H. (Robert Hermann)Type: ArticleIn: Bulletin of the British Museum (Natural History) GeologyVolume: 37Series:Issue: 3Date: 1983-11-24Page Range: 81--91Publication Info: London, BM(NH),Subjects:
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By: Wagner, R. H. (Robert Hermann) - Castro, M. P.Type: ArticleIn: PalaeontologyVolume: 41Series:Issue:Date: 1998Page Range: 1--22Publication Info: London, Palaeontological Association, 1957-Subjects: