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By: Halstead, L. B.Type: ArticleIn: PalaeontologyVolume: 3Series:Issue:Date: 1960Page Range: 217--226Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Halstead, L. B.Type: ArticleIn: PalaeontologyVolume: 14Series:Issue:Date: 1971Page Range: 566--570Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Halstead, L. B.Type: ArticleIn: PalaeontologyVolume: 1Series:Issue:Date: 1959Page Range: 283--291Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Halstead, L. B.Type: ArticleIn: PalaeontologyVolume: 1Series:Issue:Date: 1958Page Range: 193--199Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Halstead, L. B.Type: ArticleIn: PalaeontologyVolume: 2Series:Issue:Date: 1959Page Range: 39--55Publication Info: London, Palaeontological Association, 1957-Subjects: