This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
B. Bai, 2018 - The late Eocene hyracodontid perissodactyl Ardynia from Saint Jacques,Inner Mongolia, China and its implications for the potentialEocene–Oligocene boundary - Palaeoworld (27), 247-257 (journal article, English)
H. Wang, 2016 - Earliest known unequivocal rhinocerotoid sheds new light on the origin of Giant Rhinos and phylogeny of early rhinocerotoids - Scientific Reports (6), 39607-9 (journal article, English)
Y.-Q. Wang, 2011 - Early Eocene perissodactyls (Mammalia) from the Upper Nomogen Formation of the Erlian Basin, Nei Mongol, China - Vertebrata PalAsiatica (49), 123-140 (journal article, English)
X.-S. Huang, 2010 - Primitive rhinocerotid fossil from the Middle Eocene of Yuanqu basin, Shanxi - Vertebrata PalAsiatica (48), 76-78 (journal article, English)
A. O. Averianov, 2005 - Ceratomorphs (Mammalia, Perissodactyla) from the early Eocene Andarak 2 locality in Kyrgyzstan - Geodiversitas (27), 221-237 (journal article, English)
Z.-X. Qiu, 2004 - Mammal fossils from Yagou, Linxia Basin, Gansu, and related stratigraphic problems - Vertebrata PalAsiatica (42), 276-296 (journal article, Chinese)
J. Alroy, 2002 - Synonymies and reidentifications of North American fossil mammals - (), - (unpublished, English)
D. T. Rasmussen, 1999 - The Mammals Of The Eocene Duchesne River Formation - Utah Geological Survey Miscellaneous Publication (99-1), 421-427 (journal article, English)
D. R. Prothero, 1998 - Hyracodontidae - Evolution of Tertiary mammals of North America (), 589-594 (book/book chapter, English)
D. Dashzeveg, 1996 - A new hyracodontid (Perissodactyla, Rhinocerotoidea) from the Ergilin Dzo Formation (Oligocene, Quarry 1) in Dzamyn Ude, Eastern Gobi Desert, Mongolia - American Museum Novitates (3178), 1-12 (journal article, English)
D. R. Prothero, 1996 - Hyracodontidae - The Terrestrial Eocene-Oligocene Transition in North America (), 652-663 (book/book chapter, English)
L. de Bonis, 1995 - Le Garouillas et les sites contemporains (Oligocène, MP 25) des phosphorites du Quercy (Lot, Tarn-et-Garonne, France) et leurs faunes de vertébrés. 10. Perissodactyla: Allaceropinae et Rhinocerotidae - Palaeontographica Abteilung A (236), 177-190 (journal article, French)
A. O. Averianov, 1994 - Early Eocene mimotonids of Kyrgyzstan and the problem of Mixodontia - Acta Palaeontologica Polonica (39), 393-411 (journal article, English)
V. Reshetov, 1993 - Tenisia gen. nov.: taxonomic revaluation of the asian Oligocene rhinocerotoid Eggysodon turgacum (Borissiak, 1915) (Mammalia, Perissodactlya, Hyracodontidae) - Géobios (26), 715-722 (journal article, English)
D. Dashzeveg, 1991 - Hyracodontids and rhinocerotids (Mammalia, Perissodactyla, Rhinocerotoidea) from the Paleogene of Mongolia - Palaeovertebrata (21), 1-84 (journal article, English)
T. Qi, 1990 - A New Genus, Ulania, of Hyracodontidae (Perissodactyla, Mammalia) - Vertebrata PalAsiatica (28), 218-227 (journal article, English)
D. R. Prothero, 1989 - Classification of the Perissodactyla - The Evolution of Perissodactyla (), 530-537 (book chapter, English)
T. Qi, 1989 - A New Species of Juxia (Perissodactyla), Nei Mongol - Vertebrata PalAsiatica (27), 205-208 (journal article, Chinese)
R. L. Carroll, 1988 - - Vertebrate Paleontology and Evolution (), 1-698 (compendium, English)
J. Wang, 1988 - A New Genus of Ceratomorphs (Mammalia) from Middle Eocene of China - Vertebrata PalAsiatica (26), 20-34 (journal article, English)
T. Qi, 1983 - The Discovery of Hyrachyus modestus and Rhodopagus sp. nov. Perissodactyla, Mammatia in Laiwu County, Shandong - Vertebrata PalAsiatica (21), 103-108 (journal article, English)
S. G. Lucas, 1981 - The systematics of Rhodopagus, a Late Eocene hyracodontid (Perissodactyla, Rhinocerotoidea) from China - Bulletin of the Geological Institutions of the University of Uppsala, NS (9), 43-50 (journal article, English)
L. G. Tanner, 1976 - New Rhinocerotoids from the Oligocene of Nebraska - ATHLON: Essays on Palaeontology in Honour of Loris Shano Russell (), 210-219 (book/book chapter, English)
L. B. Radinsky, 1967 - A Review of the Rhinocerotoid Family Hyracodontidae (Perissodactyla) - Bulletin of the American Museum of Natural History (136), 1-46 (journal article, English)
L. Gabunia, 1966 - Sur les Mammifères oligocènes du Caucase - Bulletin de la Société Géologique de France (7), 857-869 (journal article, French)
L. B. Radinsky, 1966 - The families of the Rhinocerotoidea (Mammalia, Perissodactyla) - Journal of Mammalogy (47), 631-639 (journal article, English)
M.-C. Chow, 1961 - New Primitive True Rhinoceroses from the Eocene of Iliang, Yunnan - Vertebrata PalAsiatica (5), 291-304 (journal article, Chinese)
W. B. Scott, 1945 - The Mammalia of the Duchesne River Oligocene - Transactions of the American Philosophical Society (34), 209-253 (journal article, English)
W. B. Scott, 1941 - The mammalian fauna of the White River Oligocene. Part V. Perissodactyla - Transactions of the American Philosophical Society (28), 747-980 (journal article, English)
C. Stock, 1936 - Perissodactyla of the Sespe Eocene, California - Proceedings of the National Academy of Sciences (22), 260-265 (journal article, English)
E. M. Schlaikjer, 1935 - Contributions to the Stratigraphy and Palaeontology of the Goshen Hole Area, Wyoming. III. A New Basal Oligocene Formation - Bulletin of the Museum of Comparative Zoology (76), 71-93 (journal article, English)
H. E. Wood, 1927 - Some early Tertiary rhinoceroses and hyracodonts - Bulletins of American Paleontology (13), 1-105 (journal article, English)
H. E. Wood, 1926 - Hyracodon petersoni, a new cursorial rhinoceros from the Lower Oligocene - Annals of Carnegie Museum (16), 315-318 (journal article, English)
W. D. Matthew, 1925 - New mammals from the Shara Murun Eocene of Mongolia - American Museum Novitates (196), 1-11 (journal article, English)
W. D. Matthew, 1923 - The fauna of the Ardyn Obo formation - American Museum Novitates (98), 1-5 (journal article, English)
W. J. Sinclair, 1922 - Hyracodons from the Big Badlands of South Dakota - Proceedings of the American Philosophical Society (61), 65-79 (journal article, )
E. L. Troxell, 1921 - New species of Hyracodon - American Journal of Science (2), 34-40 (journal article, English)
O. A. Peterson, 1919 - Report Upon the Material Discovered in the Upper Eocene of the Uinta Basin by Earl Douglas in the Years 1908-1909, and by O. A. Peterson in 1912 - Annals of Carnegie Museum (12), 40-168 (journal article, English)
L. M. Lambe, 1905 - A new species of Hyracodon (H. priscidens) from the Oligocene of the Cypress Hills, Assiniboia - Proceedings and Transactions of the Royal Society of Canada, series 2 (11), 37-42 (journal article, English)
W. B. Scott, 1887 - Preliminary account of the fossil mammals from the White River formation contained in the Museum of Comparative Zoology - Bulletin of the Museum of Comparative Zoölogy at Harvard College (13), 151-171 (journal article, English)
W. B. Scott, 1887 - Preliminary Report on the Vertebrate Fossils of the Uinta Formation, Collected by the Princeton Expedition of 1886 - Proceedings of the American Philosophical Society (24), 255-264 (journal article, English)
E. D. Cope, 1881 - The classification of the Perissodactyla - The American Naturalist (15), 340- (journal article, English)
E. D. Cope, 1880 - A new genus of tapiroids - The American Naturalist (14), 382-383 (journal article, English)
E. D. Cope, 1873 - On some Eocene mammals, obtained by Hayden's Geological Survey of 1872 - Paleontological Bulletin (12), 1-6 (journal article, English)
J. Leidy, 1856 - Notices of several genera of extinct Mammalia, previously less perfectly characterized - Proceedings of the Academy of Natural Sciences of Philadelphia (8), 91-95 (journal article, English)
J. Leidy, 1850 - [Abstract of remarks made before a meeting of the Academy of Natural Sciences of Philadelphia, December 17th, 1850] - Proceedings of the Academy of Natural Sciences of Philadelphia (5), 121-122 (journal article, English)