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  1. New crocodilians from the Upper Paleocene of western Colorado / by Karl P. Schmidt --
    By: Schmidt, Karl Patterson,
    Publication info: Chicago :Field Museum of Natural History,1938.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Colorado  Crocodiles, Fossil  Paleontology  Tertiary  
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  2. Ziphodont crocodiles, Pristichampsus vorax (Troxell), new combination, from the Eocene of North America / Wann Langston, Jr. --.
    By: Langston, Wann,
    Publication info: Chicago :Field Museum of Natural History,1975.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Crocodiles, Fossil  Eocene  Paleontology  Pristichampsus vorax  Wyoming  
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