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  1. Aceratherium tridactylum from the Lower Miocene of Dakota. Bulletin of the AMNH ; v. 5, article 7.
    By: Osborn, Henry Fairfield, 1857-1935. - Peterson, Olof August, 1865-1933.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1893
    Contributed by: American Museum of Natural History Library
    Subjects: Aceratherium tridactylum  Mammals, Fossil  Oligocene  Paleontology  Rhinoceroses, Fossil  South Dakota  White River Group  
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  2. Additional Schizotherium material from China, and a review of Schizotherium dentitions (Perissodactyla, Chalicotheriidae). American Museum novitates ; no. 2647
    By: Central Asiatic Expeditions (1921-1930) - Coombs, Margery Chalifoux.
    Publication info: New York, N.Y. : American Museum of Natural History 1978
    Contributed by: American Museum of Natural History Library
    Subjects: Chalicotheriidae  China  Inner Mongolia  Mammals, Fossil  Mongolia  Oligocene  Paleontology  Perissodactyla, Fossil  Schizotherium  Schizotherium avitum  Teeth, Fossil  
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  3. Amphicticeps and Amphicynodon (Arctoidea, Carnivora) from Hsanda Gol Formation, central Mongolia, and phylogeny of basal arctoids with comments on zoogeography. American Museum novitates ; no. 3483
    By: Central Asiatic Expeditions (1921-1930) - Dashzeveg, Demberelyin - McKenna, Malcolm C. - Mongolian-American Museum Paleontological Project. - Mongolyn Shinzhlekh Ukhaany Akademi. - Wang, Xiaoming, 1957-
    Publication info: New York, NY : American Museum of Natural History 2005
    Contributed by: American Museum of Natural History Library
    Subjects: Amphicticeps shackelfordi  Amphicynodon teilhardi  Carnivora  Carnivora, Fossil  Geographical distribution  Mammals, Fossil  Mongolia  Oligocene  Paleontology  phylogeny.  
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  4. Ancestors of the tapir from the Lower Miocene of Dakota. Bulletin of the AMNH ; v. 5, article 11.
    By: Earle, Charles, 1859- - Wortman, Jacob Lawson.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1893
    Contributed by: American Museum of Natural History Library
    Subjects: America  Colodon  Evolution  Mammals, Fossil  Oligocene  Paleontology  Perissodactyla, Fossil  Protapirus  South Dakota  Tapirs  White River Group  
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  5. An anthropoid frontal bone from the Fayum Oligocene of Egypt : the oldest skull fragment of a higher primate. American Museum novitates ; no. 1976
    By: Markgraff, Richard. - Simons, Elwyn L.
    Publication info: New York, N.Y. : American Museum of Natural History 1959
    Contributed by: American Museum of Natural History Library
    Subjects: Egypt  Fayyum (Province)  Mammals, Fossil  Oligocene  Paleontology  Primates, Fossil  Skull  
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  6. An anthropoid mandible from the Oligocene Fayum beds of Egypt. American Museum novitates ; no. 2051
    By: Fayyum Expedition of the American Museum of Natural History (1906-1907) - Olsen, George, d. 1939. - Simons, Elwyn L.
    Publication info: New York, N.Y. : American Museum of Natural History 1961
    Contributed by: American Museum of Natural History Library
    Subjects: Egypt  Fayyum (Province)  Mammals, Fossil  mandible  Oligocene  Paleontology  Primates, Fossil  
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  7. 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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  8. Artionyx, a new genus of Ancylopoda. Bulletin of the AMNH ; v. 5, article 1
    By: Osborn, Henry Fairfield, 1857-1935. - Wortman, Jacob Lawson.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1893
    Contributed by: American Museum of Natural History Library
    Subjects: Ancylopoda  Artionyx gaudryi  Mammals, Fossil  Oligocene  Paleontology  South Dakota  White River Group  
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  9. Baluchitherium grangeri, a giant hornless rhinoceros from Mongolia. American Museum novitates ; no.78
    By: Berkey, Charles Peter, b. 1867. - Central Asiatic Expeditions (1921-1930) - Osborn, Henry Fairfield, 1857-1935.
    Publication info: New York City : The American Museum of Natural History 1923
    Contributed by: American Museum of Natural History Library
    Subjects: China  Indricotherium  Inner Mongolia  Mammals, Fossil  Miocene  Mongolia  Oligocene  Paleontology  Perissodactyla, Fossil  
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  10. Basicranial anatomy of the living linsangs Prionodon and Poiana (Mammalia, Carnivora, Viverridae), with comments on the early evolution of aeluroid carnivorans. American Museum novitates ; no. 3330
    By: Hunt, Robert M., Jr.
    Publication info: New York, NY : American Museum of Natural History 2001
    Contributed by: American Museum of Natural History Library
    Subjects: Aeluroidea  Africa, West  Anatomy  Asia, Southeastern  Evolution.   France  Mammals  Mammals, Fossil  Oligocene  Palaeoprionodon  Paleontology  Poiana richardsoni  Prionodon pardicolor  Quercy  Skull base  Viverridae  Viverridae, Fossil  
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  11. Cadurcotherium ardynense, Oligocene, Mongolia. American Museum novitates ; no. 147
    By: Central Asiatic Expeditions (1921-1930) - Osborn, Henry Fairfield, 1857-1935.
    Publication info: New York City : The American Museum of Natural History 1924
    Contributed by: American Museum of Natural History Library
    Subjects: Cadurcotherium ardynense  Mammals, Fossil  Mongolia  Oligocene  Paleontology  
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  12. Cadurcotherium from Mongolia. American Museum novitates ; no.92
    By: Central Asiatic Expeditions (1921-1930) - Osborn, Henry Fairfield, 1857-1935.
    Publication info: New York City : The American Museum of Natural History 1923
    Contributed by: American Museum of Natural History Library
    Subjects: Amynodontidae  Cadurcotherium ardynense  Mammals, Fossil  Mongolia  Oligocene  Paleontology  
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  13. Characters of Protoceras (Marsh), the new artiodactyl from the Lower Miocene. Bulletin of the AMNH ; v. 4, article 18.
    By: Osborn, Henry Fairfield, 1857-1935. - Wortman, Jacob Lawson.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1892
    Contributed by: American Museum of Natural History Library
    Subjects: Mammals, Fossil  Oligocene  Paleontology  Protoceras celer  South Dakota  White River Group  
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  14. Coryphodonts and uintatheres from the Mongolian Expedition of 1930. American Museum novitates ; no. 552
    By: Central Asiatic Expeditions (1921-1930) - Granger, Walter, 1872-1941. - Osborn, Henry Fairfield, 1857-1935.
    Publication info: New York City : American Museum of Natural History 1932
    Contributed by: American Museum of Natural History Library
    Subjects: China  Coryphodontidae  Eocene  Eudinoceras mongoliensis  Gobiatherium mirificum  Hypercoryphodon thomsoni  Inner Mongolia  Mammals, Fossil  Oligocene  Paleontology  Uintatheriidae  
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  15. Crania of Apidium : primitive anthropoidean (Primates, Parapithecidae) from the Egyptian Oligocene. American Museum novitates ; no. 3124
    By: Simons, Elwyn L.
    Publication info: New York, N.Y. : American Museum of Natural History 1995
    Contributed by: American Museum of Natural History Library
    Subjects: Apidium  Egypt  Fayyum (Province)  Mammals, Fossil  Oligocene  Paleontology  Primates, Fossil  Skull  
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  16. Cranial anatomy and phylogenetic position of Tsaganomys altaicus (Mammalia, Rodentia) from the Hsanda Gol Formation (Oligocene), Mongolia. American Museum novitates ; no.3156
    By: Bryant, J. Daniel (James Daniel), 1966- - McKenna, Malcolm C. - Mongolyn Shinzhlėkh Ukhaany Akademi.
    Publication info: New York, N.Y. : American Museum of Natural History 1995
    Contributed by: American Museum of Natural History Library
    Subjects: Mammals, Fossil  Mongolia  Oligocene  Paleontology  Tsagan Nor Basin  Tsaganomys altaicus  
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  17. The cranial anatomy of Cricetops dormitor, an Oligocene fossil rodent from Mongolia. American Museum novitates ; no. 3275
    By: Carrasco, Marc A. - Central Asiatic Expeditions (1921-1930) - Mongolian-American Museum Paleontological Project. - Mongolyn Shinzhlėkh Ukhaany Akademi. - Wahlert, John H.
    Publication info: New York, NY : American Museum of Natural History 1999
    Contributed by: American Museum of Natural History Library
    Subjects: Cricetops dormitor  Mammals, Fossil  Mongolia  Oligocene  Paleontology  Rodents, Fossil  Skull  
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  18. The cranial evolution of Titanotherium. Bulletin of the AMNH ; v. 8, article 9.
    By: Osborn, Henry Fairfield, 1857-1935.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1896
    Contributed by: American Museum of Natural History Library
    Subjects: Canada, Western  Evolution.   Mammals, Fossil  Oligocene  Paleontology  Perissodactyla, Fossil  Skull  Titanotherium  West (U.S.)  White River Group  
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  19. Cranial foramina and relationships of Eutypomys (Rodentia, Eutypomyidae). American Museum novitates ; no. 2626
    By: Wahlert, John H.
    Publication info: New York, N.Y. : American Museum of Natural History 1977
    Contributed by: American Museum of Natural History Library
    Subjects: Eutypomys thomsoni  Mammals, Fossil  Oligocene  Paleontology  Rodents, Fossil  Skull  West (U.S.)  
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  20. The cricetid rodents described by Leidy and Cope from the Tertiary of North America. American Museum novitates ; no. 822
    By: Cope, E. D. (Edward Drinker), 1840-1897. - Leidy, Joseph, 1823-1891. - Wood, Albert Elmer, 1910-
    Publication info: New York City : The American Museum of Natural History 1936
    Contributed by: American Museum of Natural History Library
    Subjects: John Day River Region  Mammals, Fossil  Muridae, Fossil  Neogene  New Mexico  Oligocene  Oregon  Paleontology  Rodents, Fossil  Santa Fe Group  South Dakota  West (U.S.)  
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  21. 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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  22. The Deseadan vertebrate fauna of the Scarritt Pocket, Patagonia. Bulletin of the AMNH ; v. 98, article 6
    By: Chaffee, Robert Gibson, 1914- - Scarritt Patagonian Expedition 1933-1934) - Simpson, George Gaylord, 1902-
    Publication info: New York : [American Museum of Natural History] 1952
    Contributed by: American Museum of Natural History Library
    Subjects: Argentina  Chubut  Mammals, Fossil  Notoungulata  Oligocene  Paleontology  Scarrittia canquelensis  Vertebrates, Fossil  
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  23. 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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  24. The early Oligocene rodent Ardynomys (family Cylindrodontidae) from Mongolia and Montana. American Museum novitates ; no. 2418
    By: Central Asiatic Expeditions (1921-1930) - Wood, Albert Elmer, 1910-
    Publication info: New York, N.Y. : American Museum of Natural History 1970
    Contributed by: American Museum of Natural History Library
    Subjects: Ardynomys  Kazakhstan  Mammals, Fossil  Mongolia  Montana  Oligocene  Paleontology  Rodents, Fossil  
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  25. Embolotherium, gen. nov., of the Ulan Gochu, Mongolia. American Museum novitates ; no. 353
    By: Central Asiatic Expeditions (1921-1930) - Osborn, Henry Fairfield, 1857-1935.
    Publication info: New York City : American Museum of Natural History 1929
    Contributed by: American Museum of Natural History Library
    Subjects: China  Embolotherium  Inner Mongolia  Mammals, Fossil  Mongolia  Oligocene  Paleontology  
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  26. Eucricetodon (Rodentia, Mammalia) from the late Oligocene of the Junggar Basin, northern Xinjiang, China. (American Museum novitates, no. 3665)
    By: Bi, Shundong. - Maridet, Olivier. - Meng, Jin. - Ni, Xijun. - Wu, Wenyu. - Ye, Jie.
    Publication info: New York, NY : American Museum of Natural History. 2009
    Contributed by: American Museum of Natural History Library
    Subjects: China  Eucricetodon  Oligocene  Rodents, Fossil  Xinjiang Uygur Zizhiqu  
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  27. Evolution of the aeluroid Carnivora. Diversity of the earliest aeluroids from Eurasia (Quercy, Hsanda-Gol) and the origin of felids. American Museum novitates ; no. 3252
    By: Hunt, Robert M., Jr.
    Publication info: New York, NY : American Museum of Natural History 1998
    Contributed by: American Museum of Natural History Library
    Subjects: Aeluroidea  Carnivora, Fossil  Evolution.   Felidae  France  Mammals, Fossil  Mongolia  Oligocene  Paleontology  Quercy  
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  28. Evolution of the aeluroid Carnivora. Significance of auditory structure in the nimravid cat Dinictis. American Museum novitates ; no. 2886
    By: Hunt, Robert M., Jr.
    Publication info: New York, N.Y. : American Museum of Natural History 1987
    Contributed by: American Museum of Natural History Library
    Subjects: Aeluroidea  Anatomy  Auditory pathways  Carnivora  Carnivora, Fossil  Dinictis  Ear  Evolution.   Mammals, Fossil  Nebraska  Oligocene  Paleontology  phylogeny.  White River Group  
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  29. The fauna of the Ardyn Obo Formation. American Museum novitates ; no. 98
    By: Central Asiatic Expeditions (1921-1930) - Granger, Walter, 1872-1941. - Matthew, William Diller, 1871-1930.
    Publication info: New York City : The American Museum of Natural History 1923
    Contributed by: American Museum of Natural History Library
    Subjects: Ardynia praecox  Mammals, Fossil  Mongolia  Oligocene  Paleontology  Reptiles, Fossil  Schizotherium avitum  Testudo insolitus  
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  30. The fauna of the Houldjin gravels. American Museum novitates ; no. 97
    By: Central Asiatic Expeditions (1921-1930) - Granger, Walter, 1872-1941. - Matthew, William Diller, 1871-1930.
    Publication info: New York City : The American Museum of Natural History 1923
    Contributed by: American Museum of Natural History Library
    Subjects: China  Entelodon dirus  Inner Mongolia  Mammals, Fossil  Mongolia  Oligocene  Paleontology  Reptiles, Fossil  
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  31. The fauna of the Titanotherium beds at Pipestone Springs, Montana. Bulletin of the AMNH ; v. 19, article 6.
    By: Douglas, Earl, paleontologist. - Matthew, William Diller, 1871-1930.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1903
    Contributed by: American Museum of Natural History Library
    Subjects: Jefferson County  Mammals, Fossil  Montana  Oligocene  Paleontology  
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  32. A fossil hedgehog from the American Oligocene. Bulletin of the AMNH ; v. 19, article 7.
    By: Loomis, Frederic Brewster, b. 1873. - Matthew, William Diller, 1871-1930.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1903
    Contributed by: American Museum of Natural History Library
    Subjects: Hedgehogs, Fossil  Mammals, Fossil  Oligocene  Paleontology  Proterix loomisi  South Dakota  
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  33. A fossil larrid wasp. Bulletin of the AMNH ; v. 24, article 24.
    By: Cockerell, Theodore D. A. (Theodore Dru Alison), 1866-1948. - Cockerell, W. P. (Wilmatte P.) - Florissant Expeditions (1906-1908) - Rohwer, S. A. (Sievert Allen), 1887-1951.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1908
    Contributed by: American Museum of Natural History Library
    Subjects: Amber fossils  Colorado  Florissant Region  Insects, Fossil  Oligocene  Paleontology  Pison cockerellae  Pison oligocenum  Prussia, East (Poland and Russia)  Wasps, Fossil  
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  34. Fossil mammals of the Lower Miocene White River beds : collection of 1892. Bulletin of the AMNH ; v. 6, article 7.
    By: Osborn, Henry Fairfield, 1857-1935. - Wortman, Jacob Lawson.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1894
    Contributed by: American Museum of Natural History Library
    Subjects: Mammals, Fossil  Oligocene  Paleontology  South Dakota  White River Group  
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  35. The fossil seeds from the Titanotherium beds of Nebraska, their identity and significance. American Museum novitates ; no. 221
    By: Berry, Edward Wilber, b. 1875.
    Publication info: New York City : American Museum of Natural History 1926
    Contributed by: American Museum of Natural History Library
    Subjects: Juglans siouxensis  Nebraska  Oligocene  Paleobotany  Seeds, Fossil  Sioux County  Trees, Fossil  Walnut  
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  36. Fossil turtles of Mongolia. Second contribution. American Museum novitates ; no. 689
    By: Central Asiatic Expeditions (1921-1930) - Gilmore, Charles W. (Charles Whitney), 1874-1945.
    Publication info: New York City : The American Museum of Natural History 1934
    Contributed by: American Museum of Natural History Library
    Subjects: Amyda gregaria  China  Inner Mongolia  Oligocene  Paleontology  Reptiles, Fossil  Testudo shensiensis  Turtles, Fossil  
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  37. The four phyla of Oligocene titanotheres. Bulletin of the AMNH ; v. 16, article 8.
    By: Hatcher, J. B. (John Bell), 1861-1904. - Osborn, Henry Fairfield, 1857-1935.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1902
    Contributed by: American Museum of Natural History Library
    Subjects: Mammals, Fossil  North America  Oligocene  Paleontology  Perissodactyla, Fossil  
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  38. Further notes on the gigantic extinct rhinoceros, Baluchitherium, from the Oligocene of Mongolia. Bulletin of the AMNH ; v. 72, article 1
    By: Central Asiatic Expeditions (1921-1930) - Granger, Walter, 1872-1941. - Gregory, William K. (William King), 1876- - Osborn, Henry Fairfield, 1857-1935. Baluchitherium grangeri.
    Publication info: New York : The American Museum of Natural History 1936
    Contributed by: American Museum of Natural History Library
    Subjects: China  Indricotherium  Inner Mongolia  Mammals, Fossil  Mongolia  Oligocene  Paleontology  Perissodactyla, Fossil  
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  39. The genus Proterix (Insectivora, Erinaceidae) of the Upper Oligocene of North America. American Museum novitates ; no. 2315
    By: Gawne, Constance Elaine.
    Publication info: New York, N.Y. : American Museum of Natural History 1968
    Contributed by: American Museum of Natural History Library
    Subjects: Hedgehogs, Fossil  Mammals, Fossil  Nebraska  Oligocene  Paleontology  Proterix bicuspis  Proterix loomisi  South Dakota  
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  40. Geology and paleontology of the Upper John Day beds, John Day River Valley, Oregon : lithostratigraphic and biochronologic revision in the Haystack Valley and Kimberly areas (Kimberly and Mt. Misery quadrangles). Bulletin of the AMNH ; no. 282
    By: Hunt, Robert M., Jr. - Stepleton, Ellen.
    Publication info: New York, NY : American Museum of Natural History 2004
    Contributed by: American Museum of Natural History Library
    Subjects: Formations (Geology)  Geology  Geology, Stratigraphic  John Day Formation  John Day Formation (Or.)  John Day River Valley  Mammals, Fossil  Miocene  Oligocene  Oregon  Paleontology  
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  41. A giant rodent from the Oligocene of South Dakota. American Museum novitates ; no. 1149
    By: Bird, Junius Bouton, 1907- - Briggs, Kenneth. - Granger, Walter, 1872-1941. - Simpson, George Gaylord, 1902- - Thomson, Albert.
    Publication info: New York City : The American Museum of Natural History 1941
    Contributed by: American Museum of Natural History Library
    Subjects: Harding County  Mammals, Fossil  Manitsha tanka  Oligocene  Paleontology  Rodents, Fossil  Slim Buttes  South Dakota  
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  42. 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  
    View Book
  43. 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
    View Book
  44. 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  
    View Book
  45. Kirkomys, a new florentiamyid (Rodentia, Geomyoidea) from the Whitneyan of Sioux County, Nebraska. American Museum novitates ; no. 2793
    By: Wahlert, John H.
    Publication info: New York, N.Y. : American Museum of Natural History 1984
    Contributed by: American Museum of Natural History Library
    Subjects: Kirkomys  Mammals, Fossil  Nebraska  Oligocene  Paleontology  Rodents, Fossil  Sioux County  
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  46. A leptictid mammal from the Hsanda Gol Formation (Oligocene), Central Mongolia, with comments on some Palaeoryctidae. American Museum novitates ; no.3168
    By: Kellner, Alexander Wilhelm Armin. - McKenna, Malcolm C. - Mongolyn Shinzhlėkh Ukhaany Akademi.
    Publication info: New York, N.Y. : American Museum of Natural History 1996
    Contributed by: American Museum of Natural History Library
    Subjects: Leptictidae  Mammals, Fossil  Mongolia  Oligocene  Palaeoryctidae  Paleontology  
    View Book (External)
  47. 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  
    View Book
  48. Miniochoerinae and Oreonetinae, two new subfamilies of oreodonts. Bulletin of the AMNH ; v. 109, article 4
    By: American Museum of Natural History. Frick Laboratories. - Falkenbach, Charles H. - Schultz, C. Bertrand (Charles Bertrand), 1908- - University of Nebraska State Museum.
    Publication info: New York : [American Museum of Natural History] 1956
    Contributed by: American Museum of Natural History Library
    Subjects: Mammals, Fossil  Merycoidodontidae  Miniochoerinae  Oligocene  Oreonetinae  Paleontology  West (U.S.)  
    View Book (External)
  49. Mycetobiine woodgnats (Diptera, Anisopodidae) from the Oligo-Miocene amber of the Dominican Republic, and Old World affinities. American Museum novitates ; no. 3014
    By: Grimaldi, David A.
    Publication info: New York, N.Y. : American Museum of Natural History 1991
    Contributed by: American Museum of Natural History Library
    Subjects: Amber  Dominican Republic  Insects, Fossil  Miocene  Mycetobiinae  Oligocene  Paleontology  
    View Book (External)
  50. 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  
    View Book
  51. The neuropterid fauna of Dominican and Mexican amber (Neuropterida, Megaloptera, Neuroptera) ; American Museum novitates, no. 3587
    By: Engel, Michael S. - Grimaldi, David A.
    Publication info: New York, NY : American Museum of Natural History 2007
    Contributed by: American Museum of Natural History Library
    Subjects: Amber fossils  Dominican Republic  Insects  Insects, Fossil  Megaloptera  Mexico  Miocene  Neuroptera  Neuroptera, Fossil  Oligocene  Paleontology  
    View Book (External)
  52. A new adianthine litoptern and associated mammals from a Deseadan faunule in Mendoza, Argentina. American Museum novitates ; no. 1434
    By: Minoprio, José Luis. - Simpson, George Gaylord, 1902-
    Publication info: New York : American Museum of Natural History 1949
    Contributed by: American Museum of Natural History Library
    Subjects: Adiantoides leali  Argentina  Mammals, Fossil  Mendoza (Province)  Miocene  Oligocene  Paleontology  
    View Book (External)
  53. 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
    View Book
  54. New Bathyergidae from the Oligocene of Mongolia. American Museum novitates ; no. 101
    By: Central Asiatic Expeditions (1921-1930) - Granger, Walter, 1872-1941. - Matthew, William Diller, 1871-1930.
    Publication info: New York City : The American Museum of Natural History 1923
    Contributed by: American Museum of Natural History Library
    Subjects: Bathyergidae  Cyclomylus lohensis  Mammals, Fossil  Mongolia  Oligocene  Paleontology  Rodents, Fossil  Tsaganomys altaicus  
    View Book (External)
  55. New Carnivora from the Tertiary of Mongolia. American Museum novitates ; no. 104
    By: Central Asiatic Expeditions (1921-1930) - Granger, Walter, 1872-1941. - Matthew, William Diller, 1871-1930.
    Publication info: New York City : The American Museum of Natural History 1924
    Contributed by: American Museum of Natural History Library
    Subjects: Carnivora, Fossil  China  Eocene  Inner Mongolia  Mammals, Fossil  Mongolia  Oligocene  Paleontology  
    View Book (External)
  56. New carnivorous mammals from the Fayûm Oligocene, Egypt. Bulletin of the AMNH ; v. 26, article 28.
    By: Fayyum Expedition of the American Museum of Natural History (1906-1907) - Granger, Walter, 1872-1941. - Olsen, George, d. 1939. - Osborn, Henry Fairfield, 1857-1935.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1909
    Contributed by: American Museum of Natural History Library
    Subjects: Creodonta  Egypt  Fayyum (Province)  Mammals, Fossil  Oligocene  Paleontology  
    View Book (External)
  57. New evidence against tupaioid affinities of the mammalian family Anagalidae. American Museum novitates ; no. 2158
    By: Central Asiatic Expeditions (1921-1930) - McKenna, Malcolm C.
    Publication info: New York, N.Y. : American Museum of Natural History 1963
    Contributed by: American Museum of Natural History Library
    Subjects: Anagalidae  China  Gansu Sheng  Inner Mongolia  Mammals, Fossil  Oligocene  Paleontology  
    View Book (External)
  58. New fossil Leporidae from Mongolia. American Museum novitates ; no. 1117
    By: Burke, John James, 1905- - Central Asiatic Expeditions (1921-1930)
    Publication info: New York City : The American Museum of Natural History 1941
    Contributed by: American Museum of Natural History Library
    Subjects: China  Desmatolagus  Eocene  Gobiolagus  Inner Mongolia  Lagomorpha, Fossil  Mammals, Fossil  Mongolia  Oligocene  Paleontology  Shamolagus  
    View Book (External)
  59. New fossil mammals from the Fayûm Oligocene, Egypt. Bulletin of the AMNH ; v. 24, article 16.
    By: Fayyum Expedition of the American Museum of Natural History (1906-1907) - Osborn, Henry Fairfield, 1857-1935.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1908
    Contributed by: American Museum of Natural History Library
    Subjects: Egypt  Fayyum (Province)  Mammals, Fossil  Oligocene  Paleontology  
    View Book (External)
  60. A new fossil perissodactyl from Peru. American Museum novitates ; no. 111
    By: Anthony, H. E. (Harold Elmer), 1890-1970. - Richards, J. G., geologist.
    Publication info: New York City : The American Museum of Natural History 1924
    Contributed by: American Museum of Natural History Library
    Subjects: Griphodon peruvianus  Huallaga River  Mammals, Fossil  Oligocene  Paleontology  Perissodactyla, Fossil  Peru  
    View Book (External)
  61. A new fossil zalambdodont insectivore. American Museum novitates ; no. 698
    By: Matthew, William Diller, 1871-1930. - Reed, W. H. (William Harlow), 1848-1915. - Schlaikjer, Erich Maren, 1905-
    Publication info: New York City : The American Museum of Natural History 1934
    Contributed by: American Museum of Natural History Library
    Subjects: Apternodus brevirostris  Insectivora, Fossil  Mammals, Fossil  Oligocene  Paleontology  Wyoming  
    View Book (External)
  62. A new hyracodontid (Perissodactyla, Rhinocerotoidea) from the Ergilin Dzo Formation (Oligocene, Quarry 1) in Dzamyn Ude, eastern Gobi Desert, Mongolia. American Museum novitates ; no.3178
    By: Dashzeveg, Demberelyin. - Mongolyn Shinzhlėkh Ukhaany Akademi.
    Publication info: New York, N.Y. : American Museum of Natural History 1996
    Contributed by: American Museum of Natural History Library
    Subjects: Dzamiin-Uüd  Hyracodontidae  Hyracoidea, Fossil  Mammals, Fossil  Mongolia  Oligocene  Paleontology  Prohyracodon obrutschewi  
    View Book (External)
  63. A new insectivore from the Oligocene of Mongolia and a new subfamily of hedgehogs. American Museum novitates ; no. 2311
    By: Central Asiatic Expeditions (1921-1930) - Holton, Charlotte P. - McKenna, Malcolm C.
    Publication info: New York, N.Y. : American Museum of Natural History 1967
    Contributed by: American Museum of Natural History Library
    Subjects: Brachyericinae  Exallerix hsandagolensis  Hedgehogs, Fossil  Insectivora, Fossil  Mammals, Fossil  Mongolia  Oligocene  Paleontology  
    View Book (External)
  64. A new insectivore from the Oligocene, Ulan Gochu horizon, of Mongolia. American Museum novitates ; no. 505
    By: Central Asiatic Expeditions (1921-1930) - Simpson, George Gaylord, 1902-
    Publication info: New York City : The American Museum of Natural History 1931
    Contributed by: American Museum of Natural History Library
    Subjects: Anagale gobiensis  Anagalidae  China  Inner Mongolia  Insectivora, Fossil  Mammals, Fossil  Oligocene  Paleontology  
    View Book (External)
  65. New material of the Oligocene muroid rodent Nonomys, and its bearing on muroid origins. American Museum novitates ; no. 2712
    By: Emry, Robert J.
    Publication info: New York, N.Y. : American Museum of Natural History 1981
    Contributed by: American Museum of Natural History Library
    Subjects: Muridae  Nonomys simplicidens  Oligocene  Origin  Paleontology  Rodents, Fossil  
    View Book (External)
  66. New Oligocene horses. Bulletin of the AMNH ; v. 20, article 13.
    By: Gidley, James Williams, 1866-1931. - Matthew, William Diller, 1871-1930. - Osborn, Henry Fairfield, 1857-1935. - Wortman, Jacob Lawson.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1904
    Contributed by: American Museum of Natural History Library
    Subjects: Horses, Fossil  Mammals, Fossil  Oligocene  Paleontology  Saskatchewan  West (U.S.)  
    View Book (External)
  67. A new Oligocene insectivore. American Museum novitates ; no. 1150
    By: Simpson, George Gaylord, 1902- - Thompson, Raymond.
    Publication info: New York City : The American Museum of Natural History 1941
    Contributed by: American Museum of Natural History Library
    Subjects: Domnina thompsoni  Insectivora, Fossil  Mammals, Fossil  Montana  Oligocene  Paleontology  
    View Book (External)
  68. A new Oligocene rodent genus from Patagonia. American Museum novitates ; no. 1435
    By: Scarritt Patagonian Expedition 1933-1934) - Wood, Albert Elmer, 1910-
    Publication info: New York : American Museum of Natural History 1949
    Contributed by: American Museum of Natural History Library
    Subjects: Mammals, Fossil  Oligocene  Paleontology  Patagonia (Argentina and Chile)  Platypittamys brachyodon  Rodents, Fossil  
    View Book (External)
  69. 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)  
    View Book
  70. A new representative of the Hypertraguloidea (Tragulina, Ruminantia) from the Khoer-Dzan locality in Mongolia, with remarks on the relationships of the Hypertragulidae. American Museum novitates ; no. 3225
    By: Vislobokova, I. A. (Inessa Anatolévna)
    Publication info: New York, NY : American Museum of Natural History 1998
    Contributed by: American Museum of Natural History Library
    Subjects: Eocene  Hypertraguloidea  Mammals, Fossil  Mongolia  Oligocene  Paleontology  Praetragulus electus  Ruminants, Fossil  
    View Book (External)
  71. A new rodent from the Upper Oligocene of France. Bulletin of the AMNH ; v. 41, article 18.
    By: Gaillard, Claude, 1861-1945. - Gidley, James Williams, 1866-1931. - Miller, Gerrit S. (Gerrit Smith), 1869-1956. - Poirrier, B.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1919
    Contributed by: American Museum of Natural History Library
    Subjects: Allier (Dept.)  France  Mammals, Fossil  Oligocene  Paleontology  Rhizospalax poirrieri  Rodents, Fossil  
    View Book (External)
  72. A new spadefoot toad from the Oligocene of Mongolia, with a summary of the evolution of the Pelobatidae. American Museum novitates ; no. 132
    By: Central Asiatic Expeditions (1921-1930) - Noble, Gladwyn Kingsley, 1894-1940.
    Publication info: New York City : TheAmerican Museum of Natural History 1924
    Contributed by: American Museum of Natural History Library
    Subjects: Amphibians, Fossil  Evolution.   Macropelobates osborni  Mongolia  Oligocene  Paleontology  Pelobatidae  Toads, Fossil  
    View Book (External)
  73. A new species of Agnotocastor (Rodentia, Castoridae) from the early Oligocene of Wyoming. American Museum novitates ; no. 2485
    By: Emry, Robert J.
    Publication info: New York, N.Y. : American Museum of Natural History 1972
    Contributed by: American Museum of Natural History Library
    Subjects: Agnotocastor galushai  Beavers, Fossil  Mammals, Fossil  Natrona County  Oligocene  Paleontology  Wyoming  
    View Book (External)
  74. 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
    View Book
  75. Nine new rodents from the Oligocene of Mongolia. American Museum novitates ; no. 102
    By: Central Asiatic Expeditions (1921-1930) - Granger, Walter, 1872-1941. - Matthew, William Diller, 1871-1930.
    Publication info: New York City : The American Museum of Natural History 1923
    Contributed by: American Museum of Natural History Library
    Subjects: Mammals, Fossil  Mongolia  Oligocene  Paleontology  Rodents, Fossil  
    View Book (External)
  76. A North American Oligocene pangolin and other additions to the Pholidota. Bulletin of the AMNH ; v. 142, article 6
    By: American Museum of Natural History. Frick Laboratories. - Emry, Robert J. - Skinner, Morris F.
    Publication info: New York : [American Museum of Natural History] 1970
    Contributed by: American Museum of Natural History Library
    Subjects: Mammals, Fossil  Natrona County  Oligocene  Paleontology  Pangolins  Pangolins, Fossil  Patriomanis americanus  phylogeny.  Wyoming  
    View Book (External)
  77. Notes on Eocene and Oligocene fossil localities in Inner Mongolia. American Museum novitates ; no.2180
    By: Central Asiatic Expeditions (1921-1930) - Radinsky, Leonard B.
    Publication info: New York, N.Y. : American Museum of Natural History 1964
    Contributed by: American Museum of Natural History Library
    Subjects: China  Eocene  Formations (Geology)  Geography  Geology  Geology, Stratigraphic  Inner Mongolia  Inner Mongolia (China)  Oligocene  Paleontology  
    View Book (External)
  78. Notice of two new genera of mammals from the Oligocene of South Dakota. Bulletin of the AMNH ; v. 21, article 3.
    By: Matthew, William Diller, 1871-1930. - Thomson, Albert.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1905
    Contributed by: American Museum of Natural History Library
    Subjects: Eutypomys thomsoni  Heteromeryx dispar  Mammals, Fossil  Oligocene  Paleontology  Rodents, Fossil  Ruminants, Fossil  South Dakota  White River Group  
    View Book (External)
  79. Notice of two new Oligocene camels. Bulletin of the AMNH ; v. 20, article 18.
    By: Gidley, James Williams, 1866-1931. - Matthew, William Diller, 1871-1930.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1904
    Contributed by: American Museum of Natural History Library
    Subjects: Camelidae, Fossil  Camels, Fossil  Mammals, Fossil  Miocene  Miolabis (Paratylopus) primaevus  Oligocene  Paleontology  Pseudolabis dakotensis  South Dakota  West (U.S.)  
    View Book (External)
  80. 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  
    View Book
  81. 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
    View Book
  82. The Oligocene Hsanda Gol Formation, Mongolia : a revised faunal list. American Museum novitates ; no. 2318
    By: Central Asiatic Expeditions (1921-1930) - Mellett, James Silvan, 1936-
    Publication info: New York, N.Y. : American Museum of Natural History 1968
    Contributed by: American Museum of Natural History Library
    Subjects: Formations (Geology)  Geology  Geology, Stratigraphic  Mammals, Fossil  Mongolia  Oligocene  Paleontology  Vertebrates, Fossil  
    View Book (External)
  83. Oligocene marsupials of the Geilston Bay local fauna, Tasmania. American Museum novitates ; no. 3244
    By: Kemp, Noel R. - Tedford, Richard H.
    Publication info: New York, NY : American Museum of Natural History 1998
    Contributed by: American Museum of Natural History Library
    Subjects: Australia  Hobart Region (Tas.)  Mammals, Fossil  Marsupials, Fossil  Oligocene  Paleontology  
    View Book (External)
  84. Oligocene rodents (Mammalia) from East Mesa, Inner Mongolia. American Museum novitates ; no. 2324
    By: Central Asiatic Expeditions (1921-1930) - Dawson, Mary R.
    Publication info: New York, N.Y. : American Museum of Natural History 1968
    Contributed by: American Museum of Natural History Library
    Subjects: China  Inner Mongolia  Mammals, Fossil  Oligocene  Paleontology  Rodents, Fossil  
    View Book (External)
  85. 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  
    View Book
  86. Oligo-Miocene vertebrates from Puerto Rico : with a catalog of localities. American Museum novitates ; ; no. 2965.
    By: MacPhee, R. D. E. - Wyss, André R.
    Publication info: New York, N.Y. : American Museum of Natural History 1990
    Contributed by: American Museum of Natural History Library
    Subjects: Geographical distribution  Miocene  Oligocene  Paleontology  Puerto Rico  Vertebrates, Fossil  
    View Book (External)
  87. On a new primitive deer and two traguloid genera from the Lower Miocene of Nebraska. American Museum novitates ; no. 215
    By: Matthew, William Diller, 1871-1930.
    Publication info: New York City : American Museum of Natural History 1926
    Contributed by: American Museum of Natural History Library
    Subjects: Deer, Fossil  Leptomeryx obliquidens  Machaeromeryx tragulus  Mammals, Fossil  Miocene  Nanotragulus  Nebraska  Oligocene  Paleontology  Ruminants, Fossil  South Dakota  
    View Book (External)
  88. On the divisions of the White River or Lower Miocene of Dakota. Bulletin of the AMNH ; v. 5, article 9.
    By: Wortman, Jacob Lawson.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1893
    Contributed by: American Museum of Natural History Library
    Subjects: Geology  Geology, Stratigraphic  Mammals, Fossil  Oligocene  Paleontology  South Dakota  
    View Book (External)
  89. On the osteology and relationships of Paramys, and the affinities of the Ischyromyidae. Bulletin of the AMNH ; v. 28, article 6.
    By: Matthew, William Diller, 1871-1930.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1910
    Contributed by: American Museum of Natural History Library
    Subjects: Eocene  Ischyromyidae  Mammals, Fossil  Oligocene  Paleontology  Paramys  Rodents, Fossil  West (U.S.)  Wyoming  
    View Book (External)
  90. On the osteology of Agriochoerus. Bulletin of the AMNH ; v. 7, article 4.
    By: Wortman, Jacob Lawson.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1895
    Contributed by: American Museum of Natural History Library
    Subjects: Agriochoeridae  Agriochoerus latifrons  John Day Formation  Mammals, Fossil  Miocene  Oligocene  Oregon  Paleontology  South Dakota  White River Group  
    View Book (External)
  91. On the skull of Apternodus and the skeleton of a new artiodactyl. Bulletin of the AMNH ; v. 28, article 5.
    By: Matthew, William Diller, 1871-1930. - Reed, W. H. (William Harlow), 1848-1915.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1910
    Contributed by: American Museum of Natural History Library
    Subjects: Apternodus mediaevus  Artiodactyla, Fossil  Eotylopus reedi  Insectivora, Fossil  Mammals, Fossil  Oligocene  Paleontology  Wyoming  
    View Book (External)
  92. On the skull of Bunaelurus, a musteline from the White River Oligocene. Bulletin of the AMNH ; v. 16, article 12.
    By: Matthew, William Diller, 1871-1930. - Thomson, Albert.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1902
    Contributed by: American Museum of Natural History Library
    Subjects: Bunaelurus lagophagus  Colorado  Mammals, Fossil  Mustelidae, Fossil  Oligocene  Paleontology  Skull  
    View Book (External)
  93. On Tsaganomyidae (Rodentia, Mammalia) of Asia. American Museum novitates ; no. 3317
    By: Central Asiatic Expeditions (1921-1930) - Wang, Banyue.
    Publication info: New York, NY : American Museum of Natural History 2001
    Contributed by: American Museum of Natural History Library
    Subjects: China  Kazakhstan  Mammals, Fossil  Mongolia  Oligocene  Paleontology  Rodents, Fossil  Tsaganomyidae  
    View Book (External)
  94. Palaeogale and allied early mustelids. American Museum novitates ; no. 1320
    By: Simpson, George Gaylord, 1902-
    Publication info: New York City : The American Museum of Natural History 1946
    Contributed by: American Museum of Natural History Library
    Subjects: Mustelidae, Fossil  Oligocene  Palaeogale  Paleontology  Tertiary  
    View Book (External)
  95. Paleontology and geochronology of the Deseadan ‪(‬late Oligocene‪)‬ of Moquegua, Perú. (American Museum novitates, no. 3668)
    By: Flynn, John J. (John Joseph), 1955- - Gans, Phillip B., 1956- - Jeong, Annie, 1987- - Salas-Gismondi, Rodolfo. - Shockey, Bruce J.
    Publication info: New York, NY : American Museum of Natural History. 2009
    Contributed by: American Museum of Natural History Library
    Subjects: Fossils  Geology  Moquegua Formation  Oligocene  Peru  
    View Book (External)
  96. 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)  
    View Book
  97. The perissodactyl hallux. American Museum novitates ; no. 2145
    By: Radinsky, Leonard B.
    Publication info: New York, N.Y. : American Museum of Natural History 1963
    Contributed by: American Museum of Natural History Library
    Subjects: Anatomy  Eocene  Evolution.   Metatarsus  Oligocene  Paleontology  Perissodactyla  Perissodactyla, Fossil  Toes  
    View Book (External)
  98. Perissodactyls of the Lower Miocene White River beds. Bulletin of the AMNH ; v. 7, article 12.
    By: Osborn, Henry Fairfield, 1857-1935. - Peterson, Olof August, 1865-1933. - Wortman, Jacob Lawson.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1895
    Contributed by: American Museum of Natural History Library
    Subjects: Mammals, Fossil  Oligocene  Paleontology  Perissodactyla, Fossil  South Dakota  White River Group  
    View Book (External)
  99. 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  
    View Book
  100. Propalaeocastor (Rodentia, Mammalia) from the early Oligocene of Burqin Basin, Xinjiang. American Museum novitates ; no. 3461
    By: Meng, Jin. - Ni, Xijun. - Wu, Wenyu. - Ye, Jie.
    Publication info: New York, NY : American Museum of Natural History 2004
    Contributed by: American Museum of Natural History Library
    Subjects: Beavers, Fossil  China  Mammals, Fossil  Oligocene  Paleontology  Propalaeocastor irtyshensis  Xinjiang Uygur Zizhiqu  
    View Book (External)
  101. Relationships of the extinct rodent Cricetops to Lophiomys and the Cricetinae (Rodentia, Cricetidae). American Museum novitates ; no. 2784
    By: Wahlert, John H.
    Publication info: New York, N.Y. : American Museum of Natural History 1984
    Contributed by: American Museum of Natural History Library
    Subjects: Africa, EastvClassification  Cricetops  Hamsters  Kazakhstan  Lophiomys  Mongolia  Muridae  Muridae, Fossil  Oligocene  Paleontology  Rodents  Rodents, Fossil  
    View Book (External)
  102. A revised restoration of the skeleton of Baluchitherium, gigantic fossil rhinoceros of Central Asia. American Museum novitates ; no. 787
    By: Central Asiatic Expeditions (1921-1930) - Granger, Walter, 1872-1941. - Gregory, William K. (William King), 1876-
    Publication info: New York City : The American Museum of Natural History 1935
    Contributed by: American Museum of Natural History Library
    Subjects: Indricotherium  Mammals, Fossil  Mongolia  Oligocene  Paleontology  Perissodactyla, Fossil  Skeleton  
    View Book (External)
  103. A revision of Palaeomastodon : dividing it into two genera, and with descriptions of two new species. Bulletin of the AMNH ; v. 50, article 1
    By: Matsumoto, Hikoshichiro, 1887-1975.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1924
    Contributed by: American Museum of Natural History Library
    Subjects: Egypt  Fayyum (Province)  Mammals, Fossil  Oligocene  Palaeomastodon  Paleontology  Phiomia  phylogeny.  Proboscidea  Proboscidea, Fossil  
    View Book (External)
  104. Revision of Palaeomastodon and Moeritherium : Palaeomastodon intermedius, and Phiomia osborni, new species. American Museum novitates ; no. 51
    By: Matsumoto, Hikoshichiro, 1887-1975. - Mook, Charles Craig, 1887-1966. - Osborn, Henry Fairfield, 1857-1935.
    Publication info: New York City : By order of the Trustees of The American Museum of Natural History 1922
    Contributed by: American Museum of Natural History Library
    Subjects: Egypt  Fayyum (Province)  Mammals, Fossil  Moeritherium  Oligocene  Palaeomastodon  Palaeomastodon intermedius  Paleontology  Phiomia osborni  Proboscidea, Fossil  
    View Book (External)
  105. Rodents and lagomorphs from the "Chadronia Pocket," early Oligocene of Nebraska. American Museum novitates ; no. 2366
    By: Cook, Harold J. (Harold James), 1887-1962. - Wood, Albert Elmer, 1910-
    Publication info: New York, N.Y. : American Museum of Natural History 1969
    Contributed by: American Museum of Natural History Library
    Subjects: Dawes County  Lagomorpha, Fossil  Mammals, Fossil  Nebraska  Oligocene  Paleontology  Rodents, Fossil  
    View Book (External)
  106. The skull of Hypisodus, the smallest of the Artiodactyla ; with a revision of the Hypertragulidae. Bulletin of the AMNH ; v. 16, article 23.
    By: Matthew, William Diller, 1871-1930.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1902
    Contributed by: American Museum of Natural History Library
    Subjects: Artiodactyla, Fossil  Colorado  Hypertragulidae  Hypisodus minimus  Mammals, Fossil  North America  Oligocene  Paleontology  Skull  Tertiary  
    View Book (External)
  107. Small Oligocene amphicyonids from North America (Paradaphoenus, Mammalia, Carnivora). American Museum novitates ; no. 3331
    By: Hunt, Robert M., Jr.
    Publication info: New York, NY : American Museum of Natural History 2001
    Contributed by: American Museum of Natural History Library
    Subjects: Amphicyonidae  Mammals, Fossil  Nebraska  Oligocene  Oregon  Paleontology  Paradaphoenus  South Dakota  
    View Book (External)
  108. Some carnivorous mammals from the Paleogene of the eastern Gobi Desert, Mongolia, and the application of Oligocene carnivores to stratigraphic correlation / Demberelyin Dashzeveg. American Museum novitates ; no.3179
    By: Dashzeveg, Demberelyin. - Mongolyn Shinzhlėkh Ukhaany Akademi.
    Publication info: New York, N.Y. : American Museum of Natural History 1996
    Contributed by: American Museum of Natural History Library
    Subjects: Carnivora, Fossil  Geology  Geology, Stratigraphic  Mammals, Fossil  Mongolia  Oligocene  Paleogene  Paleontology  Stratigraphic correlation  
    View Book (External)
  109. Some skulls of Perchoerus (Thinohyus) from the White River and John Day formations. Bulletin of the AMNH ; v. 48, article 3.
    By: Pearson, Helga Sharpe, 1898-
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1923
    Contributed by: American Museum of Natural History Library
    Subjects: John Day Formation  Mammals, Fossil  Oligocene  Oregon  Paleontology  Peccaries, Fossil  Perchoerus  Skull  West (U.S.)  White River Group  
    View Book (External)
  110. 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  
    View Book
  111. The species of Hoplophoneus. American Museum novitates ; no. 1123
    By: Simpson, George Gaylord, 1902- - Thomson, Albert.
    Publication info: New York City : The American Museum of Natural History 1941
    Contributed by: American Museum of Natural History Library
    Subjects: Hoplophoneus  Mammals, Fossil  Oligocene  Paleontology  Saber-toothed tigers  South Dakota  West (U.S.)  
    View Book (External)
  112. 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  
    View Book
  113. Systematics and evolution of the Gruiformes (Class Aves). 2, Additional comments on the Bathornithidae, with descriptions of new species. American Museum novitates ; no. 2449
    By: Cracraft, Joel.
    Publication info: New York, N.Y. : American Museum of Natural History 1971
    Contributed by: American Museum of Natural History Library
    Subjects: Bathornithidae  Birds, Fossil  Colorado  Eocene  Eutreptornis uintae  Evolution.   Gruiformes  Gruiformes, Fossil  Miocene  Oligocene  Paleontology  Shannon County  South Dakota  Uintah County  Utah  Weld County  
    View Book (External)
  114. Systematics of the Omomyidae (Tarsiiformes, Primates) : taxonomy, phylogeny, and adaptations. Bulletin of the AMNH ; v. 156, article 3
    By: Szalay, Frederick S.
    Publication info: New York : American Museum of Natural History 1976
    Contributed by: American Museum of Natural History Library
    Subjects: Eocene  Oligocene  Omomyidae  Paleontology  
    View Book (External)
  115. 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  
    View Book
  116. 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  
    View Book
  117. 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  
    View Book
  118. Testudo amphithorax Cope referred to Stylemys. American Museum novitates ; no. 2120
    By: Auffenberg, Walter.
    Publication info: New York, N.Y. : American Museum of Natural History 1962
    Contributed by: American Museum of Natural History Library
    Subjects: Colorado  Oligocene  Paleontology  Reptiles, Fossil  Stylemys amphithorax  Testudo amphithorax  Turtles, Fossil  Weld County  
    View Book (External)
  119. Two new Oligocene titanotheres. Bulletin of the AMNH ; v. 35, article 40.
    By: Gregory, William K. (William King), 1876- - Osborn, Henry Fairfield, 1857-1935.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1916
    Contributed by: American Museum of Natural History Library
    Subjects: Allops walcotti  Colorado  Mammals, Fossil  Megacerops riggsi  Oligocene  Paleontology  Perissodactyla, Fossil  South Dakota  
    View Book (External)
  120. 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
    View Book
  121. Two pelobatid frogs from the Tertiary of North America and their relationships to fossil and Recent forms. American Museum novitates ; no. 1762
    By: Alexander, Annie Montague, 1867-1950. - Clark, John, 1909-1967. - Kellogg, Louise Phelps, d. 1942. - Zweifel, Richard George, 1926-
    Publication info: New York, N.Y. : American Museum of Natural History 1956
    Contributed by: American Museum of Natural History Library
    Subjects: Amphibians, Fossil  Anura  Anura, Fossil  Eopelobates grandis  Evolution  Evolution.   Fish Lake Watershed  Nevada  North America  Oligocene  Paleontology  Pelobatidae  Pennington County  Pliocene  Scaphiopus alexanderi  South Dakota  
    View Book (External)
  122. A unique cricetid (Rodentia, Mammalia) from the early Oligocene of Natrona County, Wyoming. American Museum novitates ; no. 2508
    By: Dawson, Mary R. - Emry, Robert J. - Galusha, Ted. - Skinner, Morris F.
    Publication info: New York, N.Y. : American Museum of Natural History 1972
    Contributed by: American Museum of Natural History Library
    Subjects: Mammals, Fossil  Muridae, Fossil  Nanomys simplicidens  Natrona County  Oligocene  Paleontology  Rodents, Fossil  Wyoming  
    View Book (External)
  123. Upper Eocene and Lower Oligocene titanotheres of Mongolia. American Museum novitates ; no. 202
    By: Central Asiatic Expeditions (1921-1930) - Granger, Walter, 1872-1941. - Osborn, Henry Fairfield, 1857-1935.
    Publication info: New York City : American Museum of Natural History 1925
    Contributed by: American Museum of Natural History Library
    Subjects: Eocene  Gobi Desert (Mongolia and China)  Mammals, Fossil  Oligocene  Paleontology  
    View Book (External)
  124. 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  
    View Book
  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: Dewulf, Alexandre - De Meulemeester, Thibaut - Dehon, Manuel - Engel, Michael - Michez, Denis
    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)