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By: Lindholm, Kristina - Maletz, JörgType: ArticleIn: PalaeontologyVolume: 32Series:Issue:Date: 1989Page Range: 711--743Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Lindholm, KristinaType: ArticleIn: PalaeontologyVolume: 34Series:Issue:Date: 1991Page Range: 283--327Publication Info: London, Palaeontological Association, 1957-Subjects: