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By: Harper, Elizabeth MType: ArticleIn: PalaeontologyVolume: 37Series:Issue:Date: 1994Page Range: 551--578Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Harper, Elizabeth MType: ArticleIn: PalaeontologyVolume: 40Series:Issue:Date: 1997Page Range: 71--97Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Harper, Elizabeth MType: ArticleIn: PalaeontologyVolume: 34Series:Issue:Date: 1991Page Range: 455--460Publication Info: London, Palaeontological Association, 1957-Subjects: