Cope ED 1884. Synopsis of the species of Oreodontidae. Paleontological Bulletin 38:503-572.
Leidy J 1848. On a new fossil genus and species of ruminantoid Pachydermata: Merycoidodon culbertsonii. Proceedings of the Academy of Natural Sciences of Philadelphia 4: 47–51.
Leidy J 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(1):121-122.
Leidy J 1856. Notices of extinct Vertebrata discovered
by Dr. F. V. Hayden, during the
expedition to the Sioux country under the command of Lieut. G. K. Warren. Ibid., vol. 8, pp. 311-312.
Leidy J 1858. Notice of remains of extinct vertebrata, from the Valley of the Niobrara river collected during the exploring expedition of 1857, in Nebraska, under the command of Lieut. G K Warren, U. S. Top. Eng., by Dr. F.V. Hayden, Geologist to the expedition. Proceedings of the Academy of Natural Sciences of Philadelphia 1857: 20-29.
Prothero DR and Sanchez F 2008. Systematics of the Leptaucheniine oreodonts (Mammalia: Artiodactylia) from the Oligocene and earliest Mioceneof North America. In: Lucas et al., eds., 2008, Neogene Mammals. New Mexico Museum of Natural History and Science Bulletin 44.
Schultz CB and Falkenbach CH 1968. The phylogeny of the oreodonts, Parts 1 and 2. Bulletin of the American Museum of Natural History 139:498pp.
Thorpe MR 1921. Two new forms of Agriochoerus. American Journal of Science (8): 111–126.
wiki/Merycoidodon
wiki/Agriochoerus
wiki/Promerycochoerus
wiki/Sespia
wiki/Leptauchenia
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