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By: Stockey, Ruth AType: ArticleIn: PalaeontologyVolume: 23Series:Issue:Date: 1980Page Range: 657--666Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Crane, Peter R. - Stockey, Ruth AType: ArticleIn: Annals of the Missouri Botanical GardenVolume: 73Series:Issue:Date: 1986Page Range: 382--393Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-Subjects: