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  1. A new Cretaceous plesiosaur from Venezuela. American Museum novitates ; no. 1420
    By: Colbert, Edwin Harris, 1905- - Pardo, Georges.
    Publication info: New York : American Museum of Natural History 1949
    Contributed by: American Museum of Natural History Library
    Subjects: Altagracia de Orituco Region  Alzadasaurus tropicus  Cretaceous  Paleontology  Plesiosauria  Reptiles, Fossil  South America.   Venezuela  
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  2. North American plesiosaurs : by Samuel W. Williston -- ; Oliver C. Farrington -- Part I /
    By: Williston, Samuel Wendell, - Farrington, Oliver C.
    Publication info: Chicago :Field Columbian Museum ,1903.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Plesiosauria  
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  3. Die plesiosaurier der süddeutschen Liasformation /
    By: Dames, Wilhelm Barnim,
    Publication info: Berlin :Königl. Akademie der Wissenschaften,1895.
    Contributed by: United States Geological Survey
    Subjects: Germany  Jurassic  Paleontology  Plesiosauria  
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