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By: Narbonne, Guy M - Hofmann, Hans JType: ArticleIn: PalaeontologyVolume: 30Series:Issue:Date: 1987Page Range: 647--676Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Hofmann, Hans JType: ArticleIn: PalaeontologyVolume: 28Series:Issue:Date: 1985Page Range: 331--354Publication Info: London, Palaeontological Association, 1957-Subjects: