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By: Liengjarern, M - Costa, Lucy I. - Downie, CType: ArticleIn: PalaeontologyVolume: 23Series:Issue:Date: 1980Page Range: 475--499Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Costa, Lucy I. - Downie, CharlesType: ArticleIn: PalaeontologyVolume: 19Series:Issue:Date: 1976Page Range: 591--614Publication Info: London, Palaeontological Association, 1957-Subjects: