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By: Rigby, SusanType: ArticleIn: PalaeontologyVolume: 34Series:Issue:Date: 1991Page Range: 797--813Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Rickards, Barrie - Rigby, Susan - Rickards, Jerry - Swales, ChrisType: ArticleIn: PalaeontologyVolume: 41Series:Issue:Date: 1998Page Range: 737--752Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Rigby, SusanType: ArticleIn: PalaeontologyVolume: 36Series:Issue:Date: 1993Page Range: 267--282Publication Info: London, Palaeontological Association, 1957-Subjects: