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  1. Arctoryctes and some other Chadronian vertebrate microfossils from Nebraska / [by] William D. Turnbull -- and Charles A. Reed --.
    By: Turnbull, William D. - Reed, Charles A., - Wiebe, Maidi
    Publication info: [Chicago] :Chicago Natural History Museum ,1960.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Nebraska  Oligocene  Paleontology  Vertebrates, Fossil  
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  2. Cymaprimadontidae: a new family of insectivores / John Clark --
    By: Clark, John,
    Publication info: [Chicago] :Field Museum of Natural History,1968.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Cymaprimadontidae  Oligocene  Paleontology  South Dakota  
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  3. The Deseadan, early Oligocene, Marsupialia of South America / Bryan Patterson -- and Larry G. Marshall --.
    By: Patterson, Bryan, - Marshall, Larry G.
    Publication info: Chicago :Field Museum of Natural History,1978.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Marsupials, Fossil  Oligocene  Paleontology  South America  
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  4. Heteromyids from the Miocene and Lower Oligocene / by Paul O. McGrew --
    By: McGrew, Paul Orman,
    Publication info: Chicago :Field Museum of Natural History ,1941.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Heliscomys  Miocene  Oligocene  Paleontology  
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  5. Ichthyofauna from the Jaso shales of Sobniów. (Ichtiofauna upków jasielskich z Sobniowa)
    By: Jerzmanska, Anna.
    Publication info: Warsaw :Scientific Publications Foreign Cooperation Center of the Central Institute for Scientific, Technical and Economic Information,1964.
    Contributed by: Smithsonian Libraries
    Subjects: Fishes, Fossil  Oligocene  Paleontology  
    BHL Collections: Smithsonian Libraries
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  6. Investigation of the classification of the rodent genus Eumys from the Middle Oligocene of the Big Badlands of South Dakota using multivariate statistical analysis / Sue Vilhauer Rosser --.
    By: Rosser, Sue Vilhauer. - Field Museum of Natural History.
    Publication info: Chicago :Field Museum of Natural History,1978.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Big Badlands  Oligocene  Paleontology  Rodents, Fossil  South Dakota  
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  7. The mammalian genera Arctoryctes and Cryptoryctes from the Oligocene and Miocene of North America / Charles A. Reed -- and William D. Turnbull --.
    By: Reed, Charles A. - Nash, Edward G. - Turnbull, William D.,
    Publication info: [Chicago]Chicago Natural History Museum,1965.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Arctoryctes  Cryptoryctes  Miocene  Oligocene  Paleontology  
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  8. Nanodelphys, an Oligocene didelphine / by Paul O. McGrew --
    By: McGrew, Paul Orman,
    Publication info: Chicago :Field Museum of Natural History ,1939
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Nanodelphys  Oligocene  Paleontology  
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  9. A new and primitive early Oligocene horse from Trans-Pecos Texas / Paul O. McGrew, Dept. of Geology, The University of Wyoming.
    By: McGrew, Paul Orman,
    Publication info: [Chicago]Chicago Natural History Museum,1953.
    Contributed by: Field Museum Library
    Subjects: Horses, Fossil  Oligocene  Paleontology  Texas  
    BHL Collections: Field Museum Library
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  10. A new phororhacoid bird from the Deseado formation of Patagonia / by Bryan Patterson. Results of the Marshall Field paleontological expeditions to Argentina and Bolivia, 1922-27.
    By: Patterson, Bryan,
    Publication info: Chicago :Field Museum of Natural History ,1941.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Captain Marshall Field paleontological expeditions  Oligocene  Paleontology  Patagonia (Argentina and Chile)  
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  11. A new species of the fossorial mammal Arctoryctes from the Oligocene of Colorado / Charles A. Reed --
    By: Reed, Charles A.
    Publication info: [Chicago] :Chicago Natural History Museum,1956.
    Contributed by: Field Museum Library
    Subjects: Arctoryctes  Colorado  Oligocene  Paleontology  
    BHL Collections: Field Museum Library
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  12. Occurrence of the alligatoroid genus Allognathosuchus in the Lower Oligocene / by Bryan Patterson -- ; Oliver Cummings Farrington -- , editor.
    By: Patterson, Bryan, - Farrington, Oliver C.
    Publication info: Chicago :Field Museum Press ,1931.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Oligocene  Paleontology  South Dakota  
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  13. Les oiseaux des phosphorites du Quercy, par C. Gailard ...Avec 37 figures dans le texte et 8 planches hors texte.
    By: Gaillard, Claude,
    Publication info: Lyon,A. Rey; [etc., etc.]1908.
    Contributed by: Smithsonian Libraries
    Subjects: Birds, Fossil  France  Oligocene  Paleontology  
    BHL Collections: Smithsonian Libraries
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  14. Oligocene sedimentation, stratigraphy, paleoecology and paleoclimatology in the big Badlands of South Dakota [by] John Clark, James R. Beerbower [and] Kenneth K. Kietzke.
    By: Clark, John, - Beerbower, James R., - Kietzke, Kenneth K.,
    Publication info: [Chicago]Field Museum of Natural History,1967.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Badlands (S.D. and Neb.)  Geology  Geology, Stratigraphic  Oligocene  Paleoclimatology  Paleoecology  
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  15. Paleontology of the Oligocene of the Chehalis Valley, Washington / by Katherine E.H. Van Winkle.
    By: Palmer, Katherine V. W.
    Publication info: Seattle, Wash. :University of Washington,[1918]
    Contributed by: University of California Libraries (archive.org)
    Subjects: Chehalis Valley  Mollusks, Fossil  Oligocene  Paleontology  Washington (State)  
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  16. Population dynamics of Leptomeryx / [by] John Clark -- and Thomas E. Guensburg --.
    By: Clark, John, - Guensburg, Thomas Edgar,
    Publication info: [Chicago] :Field Museum of Natural History,1970.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Leptomeryx  Mammal populations  Nebraska  Oligocene  Paleontology  Pennington County  Sioux County  South Dakota  
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  17. A soricid and two erinaceids from the White river Oligocene / by Bryan Patterson -- and Paul O. McGrew --.
    By: Patterson, Bryan, - McGrew, Paul Orman,
    Publication info: Chicago :Field Museum of Natural History,1937.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Domnina  Hedgehogs, Fossil  Oligocene  Paleontology  
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  18. Systematic list of the Frederick E. Edwards collection of British oligocene and eocene Mollusca in the British Museum (Natural History), with references to the type-specimens from similar horizons contained in other collections belonging to the Geological Department of the Museum,
    By: British Museum (Natural History). - Edwards, Frederic Erasmus, - Newton, Richard Bullen,
    Publication info: LondonPrinted by order of the Trustees1891
    Contributed by: Gerstein - University of Toronto (archive.org)
    Subjects: Eocene  Mollusks, Fossil  Oligocene  Paleontology  
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  19. Tertiary mammals of Saskatchewan. Part VII, Oligocene marsupials /
    By: Russell, Loris Shano, - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,1984.
    Contributed by: ROM - University of Toronto (archive.org)
    Subjects: Cypress Hills (Sask. and Alta.)  Marsupials, Fossil  Oligocene  Paleontology  
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  20. Tertiary mammals of Saskatchewan. Part VI, the Oligocene rhinocerouses /
    By: Russell, Loris Shano, - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,1982.
    Contributed by: ROM - University of Toronto (archive.org)
    Subjects: Cypress Hills (Sask. and Alta.)  Oligocene  Paleontology  Rhinoceroses, Fossil  
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  21. Tertiary mammals of Saskatchewan. Part V, The Oligocene entelodonts /
    By: Russell, Loris Shano, - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,1980.
    Contributed by: ROM - University of Toronto (archive.org)
    Subjects: Artiodactyla, Fossil  Oligocene  Paleontology  Saskatchewan  
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  22. Two new rodent genera from the Oligocene White River formation (family Heteromyidae) / William G. Reeder --
    By: Reeder, William G.
    Publication info: [Chicago] :Chicago Natural History Museum,1960.
    Contributed by: Field Museum Library
    Subjects: Great Plains  Heteromyidae  Oligocene  Paleontology  
    BHL Collections: Field Museum Library
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  23. The vertebrata of the Oligocene of the Cypress Hills, Saskatchewan
    By: Lambe, Lawrence M. - Geological Survey of Canada.
    Publication info: Ottawa :Govt. Print. Bureau,1908.
    Contributed by: Canadiana.org (archive.org)
    Subjects: Oligocene  Paleontology  Saskatchewan  Vertebrates, Fossil  
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  1. Fossil harvestmen (Arachnida, Opiliones) from Bitterfeld amber
    By: Dunlop, Jason - Mitov, Plamen
    Type: Article
    In: ZooKeys
    Volume: 16
    Date: 2009
    Page Range: 347-375
    Publication info: Pensoft Publishers 2009
    Subjects: Biogeography  Dyspnoi  Eupnoi  Oligocene  Sachsen-Anhalt  
    View Article (External)
  2. A new interpretation of the bee fossil Melitta willardi Cockerell (Hymenoptera, Melittidae) based on geometric morphometrics of the wing
    By: Engel, Michael - Michez, Denis - Dewulf, Alexandre - De Meulemeester, Thibaut - Dehon, Manuel
    Type: Article
    In: ZooKeys
    Volume: 389
    Date: 2014
    Page Range: 35-48
    Publication info: Pensoft Publishers 2014
    Subjects: Bees  compression  geometric morphometrics  Oligocene  Tertiary  wing shape  
    View Article (External)