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By: Gao, Zhifeng - Thomas, Barry A.Type: ArticleIn: PalaeontologyVolume: 36Series:Issue:Date: 1993Page Range: 81--89Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Gao, Zhifeng - Thomas, Barry A.Type: ArticleIn: PalaeontologyVolume: 30Series:Issue:Date: 1987Page Range: 815--828Publication Info: London, Palaeontological Association, 1957-Subjects: