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  1. American Eocene didelphids. American Museum novitates ; no. 307
    By: Simpson, George Gaylord, 1902-
    Publication info: New York City : American Museum of Natural History 1928
    Contributed by: American Museum of Natural History Library
    Subjects: Eocene  Evolution  Mammals, Fossil  Marsupials, Fossil  North America  Opossums  Opossums, Fossil  Paleontology  Peratherium comstocki  Peratherium innominatum  Peratherium marsupium  Wyoming  
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  2. Basicranial anatomy of Herpetotherium (Marsupialia, Didelphimorphia) from the Eocene of Wyoming. American Museum novitates ; no. 3235
    By: Gabbert, Sherri L.
    Publication info: New York, NY : American Museum of Natural History 1998
    Contributed by: American Museum of Natural History Library
    Subjects: Eocene  Evolution.   Herpetotherium  Mammals, Fossil  Middle ear  Opossums, Fossil  Paleontology  Skull  Wyoming  
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  3. Fossil mammals from the beginning of the Cenozoic in Brazil. Marsupialia : Didelphidae. American Museum novitates ; no. 1567
    By: Couto, Carlos de Paula.
    Publication info: New York : American Museum of Natural History 1952
    Contributed by: American Museum of Natural History Library
    Subjects: Brazil  Didelphimorphia, Fossil  Itaboraí Region  Mammals, Fossil  Marsupials, Fossil  Opossums, Fossil  Paleocene  Paleontology  
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  4. A Lance didelphid molar, with comments on the problems of the Lance therians / William D. Turnbull --
    By: Turnbull, William D.
    Publication info: [Chicago] :Chicago Natural History Museum,1960.
    Contributed by: Field Museum Library
    Subjects: Cretaceous  Opossums, Fossil  Paleontology  Teeth, Fossil  
    BHL Collections: Field Museum Library
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  5. A new Eocene marsupial from Brazil. American Museum novitates ; no. 1357
    By: Couto, Carlos de Paula. - Price, Llewellyn Ivor. - Simpson, George Gaylord, 1902-
    Publication info: New York City : The American Museum of Natural History 1947
    Contributed by: American Museum of Natural History Library
    Subjects: Brazil  Eobrasilia coutoi  Eocene  Itaboraí Region  Mammals, Fossil  Opossums, Fossil  Paleontology  
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  6. A new marsupial from the Eocene of Patagonia. American Museum novitates ; no. 989
    By: Scarritt Patagonian Expedition 1930-1931) - Simpson, George Gaylord, 1902-
    Publication info: New York City : The American Museum of Natural History 1938
    Contributed by: American Museum of Natural History Library
    Subjects: Argentina  Chubut  Coöna pattersoni  Eocene  Mammals, Fossil  Opossums, Fossil  Paleontology  
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  7. Notes on Didelphidae (Mammalia, Marsupialia) from the Huayquerian (Pliocene) of Argentina. American Museum novitates ; no. 2559
    By: Simpson, George Gaylord, 1902-
    Publication info: New York, N.Y. : American Museum of Natural History 1974
    Contributed by: American Museum of Natural History Library
    Subjects: Argentina  Catamarca (Province)  Didelphimorphia, Fossil  Mammals, Fossil  Opossums, Fossil  Paleontology  Pliocene  
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