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  1. A primitive pyrothere (Mammalia, Notoungulata) from the early Tertiary of northwestern Venezuela / Bryan Patterson --.
    By: Patterson, Bryan,
    Publication info: Chicago :Field Museum of Natural History,1977.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Lara  Paleontology  Proticia venezuelensis  Tertiary  Venezuela  
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