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By: Pettitt, John MichaelType: ArticleIn: Bulletin of the British Museum (Natural History) GeologyVolume: 13Series:Issue: 4Date: 1966-10-04Page Range: 221--258Publication Info: London, BM(NH),Subjects:
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By: Pettitt, John MichaelType: ArticleIn: Bulletin of the British Museum (Natural History) GeologyVolume: 10Series:Issue: 3Date: 1965-02-26Page Range: 81--92Publication Info: London, BM(NH),Subjects: