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By: Denison, Robert H. (Robert Howland),Edition:Publication info: [Chicago], Field Museum Press, 1968Volume: v.17:no.4 (1968)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: Devonian Idaho Lungfishes Lungfishes, Fossil Paleontology Utah WyomingBHL Collections:
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By: Denison, Robert H. (Robert Howland),Edition:Publication info: [Chicago], Field Museum of Natural History, 1969Volume: v.12:no.12 (1969)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: Illinois Lungfishes, Fossil Paleontology PennsylvanianBHL Collections:
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By: Denison, Robert H. (Robert Howland),Edition:Publication info: Chicago, Field Museum of Natural History, 1974Volume: v.33:no.3 (1974)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: Lungfishes, Fossil Teeth, FossilBHL Collections: