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By: Bolt, John R.,Edition:Publication info: Chicago, Field Museum of Natural History, 1974Volume: v.33:no.2 (1974)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: Skull TrematopsidaeBHL Collections:
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By: Bolt, John R.,Edition:Publication info: Chicago, Field Museum of Natural History, 1974Volume: v.30:no.3 (1974)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: Comanche County Oklahoma Paleontology Permian TrematopsidaeBHL Collections: