Original sentence: The genus Merycoidodon ("Ruminating teeth") refers to a prehistoric artiodactyl mammal, native to North America, and more popularly known by the name Oreodon ("Hillock teeth")
Edited sentence: <td>center|thumb|160px|Merycoidodon culbertsoni.<td>center|thumb|160px|Merycoidodon culbertsoni skeleton.Fossils have been uncovered as far north as Alberta, Canada to Florida and Texas, and Oregon.Four specimens were examined by M.It was assigned to Merycoidodontidae by Joseph Leidy (1848), Thorpe (1937), Scott (1940), Galbreath (1953), Toohey (1959) and Stevens and Stevens (1996).It was considered a nomen nudum by Cope (1884); it was considered a nomen dubium by Sinclair (1924); it was considered a nomen vanum by Lander (1998).Its type is Merycoidodon culbertsoni.Mendoza for body mass and estimated to have a weight of:.Merycoidodon ("Ruminating teeth") is an extinct genus of terrestrial herbivore of the family Merycoidodontidae, subfamily Merycoidodontinae (oreodont),.Merycoidodon was named by Leidy (1848).Specimen 1: 139.2 kg (306.8 lbs).Specimen 2: 94.6 kg (208.5 lbs).Specimen 3: 112.8 kg (248.6 lbs).Specimen 4: 131.3 kg (289.4 lbs).more popularly known by the name Oreodon ("Hillock teeth") endemic to North America during the Late Eocene-Early Miocene subepochs (38—16.3 mya) existing for approximately