Scientific Name Collected By Identified By Date Collected Date Identified Family Institution Catalog Number Type Status Basis Of Record
collected Hyracotherium HENRY FAIRFIELD OSBORN: GIFT 1904 Palaeotheriidae CM 2308 FOSSIL_SPECIMEN
collected Scincidae William B. Scott, Henry F. Osborn, Francis Speir, Princeton 1878 Expedition 1878 Scincidae YPM YPM VPPU 016746 FOSSIL_SPECIMEN
collected Tinosaurus stenodon William B. Scott, Henry F. Osborn, Francis Speir, Princeton 1878 Expedition 1878 Agamidae YPM YPM VPPU 016744 FOSSIL_SPECIMEN
collected Lacertilia William B. Scott, Henry F. Osborn, Francis Speir, Princeton 1878 Expedition 1878 YPM YPM VPPU 016745 FOSSIL_SPECIMEN
collected Proviverra? americana Henry F. Osborn, William B. Scott, Francis Speir, Princeton 1877 Student Expedition William B. Scott 1877 1998 YPM YPM VPPU 017888 holotype FOSSIL_SPECIMEN
identified Andrewsarchus mongoliensis George Olsen, Kan C. Pao, Third Asiatic Expedition of the American Museum, 1921-1930 Henry F. Osborn 1923 1932 YPM YPM VP 013140 holotype FOSSIL_SPECIMEN
identified Protohippus parvulus Othniel C. Marsh Henry F. Osborn 1868 1918 Equidae YPM YPM VP 011345 holotype? FOSSIL_SPECIMEN
identified Diplacodon elatus Princeton 1886 Expedition (Uinta), Princeton 1886 Expedition (Uinta) Henry F. Osborn 1886 1889 Brontotheriidae YPM YPM VPPU 010396 FOSSIL_SPECIMEN
identified Achaenodon robustus Princeton 1878 Expedition, Princeton 1878 Expedition Henry F. Osborn 1878 1883 YPM YPM VPPU 010033 holotype FOSSIL_SPECIMEN
identified Hipparion mediterraneum Henry F. Osborn 1889 Equidae YPM YPM VPPU 011771 FOSSIL_SPECIMEN
identified Merychippus sejunctus Edward D. Cope Henry F. Osborn 1998 Equidae YPM YPM VP 011628 holotype FOSSIL_SPECIMEN
identified Hyracodon Princeton 1882 Expedition, Princeton 1882 Expedition Henry F. Osborn 1882 1889 Hyracodontidae YPM YPM VPPU 010005 FOSSIL_SPECIMEN
identified Loxolophodon speirianum Princeton 1878 Expedition, Princeton 1878 Expedition Henry F. Osborn 1878 2002 Coryphodontidae YPM YPM VPPU 010079 holotype FOSSIL_SPECIMEN
identified Protohippus parvulus Othniel C. Marsh Henry F. Osborn 1868 1918 Equidae YPM YPM VP 011341 holotype? FOSSIL_SPECIMEN
identified Protohippus parvulus Othniel C. Marsh Henry F. Osborn 1868 1918 Equidae YPM YPM VP 011342 neotype FOSSIL_SPECIMEN
identified Microsyops sp. Princeton Expeditions (western United States, pre- 1900), Princeton Expeditions (western United States, pre- 1900) Henry F. Osborn 1902 Microsyopidae YPM YPM VPPU 010601 FOSSIL_SPECIMEN
identified Baluchitherium grangeri Third Asiatic Expedition of the American Museum, 1921-1930, Third Asiatic Expedition of the American Museum, 1921-1930 Henry F. Osborn 1922-08-05 1923 Hyracodontidae YPM YPM VP 013123 holotype FOSSIL_SPECIMEN
identified Archidiskodon subplanifrons W. Millett Henry F. Osborn 1973 Mammutidae YPM YPM VP 010564 holotype FOSSIL_SPECIMEN
identified Archidiskodon proplanifrons Henry F. Osborn 1973 Mammutidae YPM YPM VP 010565 holotype FOSSIL_SPECIMEN
identified Archidiskodon meridionalis nebrascensis Henry F. Osborn 1932 Elephantidae YPM YPM VPPU 014160 holotype FOSSIL_SPECIMEN
identified Diplacodon elatus Princeton 1886 Expedition (Uinta), Princeton 1886 Expedition (Uinta) Henry F. Osborn 1886 1889 Brontotheriidae YPM YPM VPPU 010395 FOSSIL_SPECIMEN
identified Diplacodon elatus Princeton 1886 Expedition (Uinta), Princeton 1886 Expedition (Uinta) Henry F. Osborn 1886 1889 Brontotheriidae YPM YPM VPPU 010393 FOSSIL_SPECIMEN
identified Ptolemaia lyonsi American Museum Expedition, 1907 (Fayum), American Museum Expedition, 1907 (Fayum) Henry F. Osborn 1907 1908 Ptolemaiidae YPM YPM VP 038335 holotype FOSSIL_SPECIMEN
identified Microconodon tenuirostris Ebenezer Emmons Henry F. Osborn 1886 Dromatheriidae YPM YPM VP 021033 holotype FOSSIL_SPECIMEN
identified Desmatotherium mongoliense Third Asiatic Expedition of the American Museum, 1921-1930, Third Asiatic Expedition of the American Museum, 1921-1930 Henry F. Osborn 1922-04-26 1965 Helaletidae YPM YPM VP 024223 holotype FOSSIL_SPECIMEN
identified Mammonteus primigenius compressus L. S. Quackenbush, American Museum 1908 Expedition to Alaska Henry F. Osborn 1908 1924 Elephantidae YPM YPM VPPU 012218 paratype FOSSIL_SPECIMEN
identified Hyrachyus Princeton 1877 Student Expedition, Princeton 1877 Student Expedition Henry F. Osborn 1877 1889 Hyracodontidae YPM YPM VPPU 010199 FOSSIL_SPECIMEN
identified Helaletes latidens Princeton 1877 Student Expedition, Princeton 1877 Student Expedition Henry F. Osborn 1877 1878 Isectolophidae YPM YPM VPPU 010251 holotype FOSSIL_SPECIMEN
identified Microsyops annectens Princeton Expeditions (western United States, pre- 1900), Princeton Expeditions (western United States, pre- 1900) Henry F. Osborn 1902 Microsyopidae YPM YPM VPPU 012290 FOSSIL_SPECIMEN
identified Pliolophus (Orohippus) major Princeton 1877 Student Expedition, Princeton 1877 Student Expedition Henry F. Osborn 1877 1889 Equidae YPM YPM VPPU 010269 FOSSIL_SPECIMEN