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By: Ausich, William I - Guenther, Robert LType: ArticleIn: KirtlandiaVolume: 49Series:Issue:Date: 1996-02Page Range: 1--5Publication Info: Cleveland, Ohio, Cleveland Museum of Natural History,Subjects:
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By: Ausich, William I - Babcock, Loren E.Type: ArticleIn: PalaeontologyVolume: 41Series:Issue:Date: 1998Page Range: 193--202Publication Info: London, Palaeontological Association, 1957-Subjects: