†Merychippus isonesus tertius Osborn 1918 (horse)
Mammalia - Perissodactyla - Equidae
Full reference: H. F. Osborn. 1918. Equidae of the Oligocene, Miocene, and Pliocene of North America, iconographic type revision. Memoirs of the American Museum of Natural History 2(1):1-217
Belongs to Merychippus isonesus according to H. F. Osborn 1918
See also Hulbert and MacFadden 1991, Kelly 1995, Kelly 1998, MacFadden 1998 and Stirton 1940
Sister taxa: Merychippus isonesus quartus, Merychippus isonesus quintus
Type specimen: AMNH 14180, a partial skeleton (Palate and complete series of grinding teeth, pLm3, lower jaws and parts of skeleton.)
Ecology: ground dwelling grazer-browser
Distribution: there are no occurrences of Merychippus isonesus tertius in the database