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By: Johansen, Marianne Bagge - Surlyk, FType: ArticleIn: PalaeontologyVolume: 33Series:Issue:Date: 1990Page Range: 823--872Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Surlyk, F - Zakharov, V. A. (Viktor Aleksandrovich)Type: ArticleIn: PalaeontologyVolume: 25Series:Issue:Date: 1982Page Range: 727--753Publication Info: London, Palaeontological Association, 1957-Subjects: