Gomphotherium obscurum Leidy 1869

Mammalia - Proboscidea - Gomphotheriidae

Alternative combinations: Mammut obscurum, Mastodon obscurum, Serridentinus obscurus

Synonyms: Gomphotherium calvertensis Gazin and Collins 1950, Gomphotherium cimarronis Hay 1925, Gomphotherium cingulatum Downs 1951, Gomphotherium fricki Peterson 1928, Gomphotherium giganteum Osborn 1921, Gomphotherium riograndense Frick 1933, Gomphotherium simpsoni Stirton 1939, Serridentinus fricki Peterson 1928, Serridentinus progressus Osborn 1923, Trilophodon fricki Peterson 1928, Trilophodon giganteus Osborn 1921, Trilophodon riograndensis Frick 1933, Trilophodon simplicidens Osborn 1923, Trilophodon simpsoni Stirton 1939, Trobelodon taoensis Frick 1933

Belongs to Gomphotherium according to C. T. Madden and J. E. Storer 1985

See also Cope 1875, Downs 1952, Hay 1902, Osborn 1921, Osborn 1923, Osborn 1933, Stirton 1939, Tobien 1972 and Tobien 1973

Sister taxa: Gomphotherium anguirvalis, Gomphotherium angustidens, Gomphotherium brewsterensis, Gomphotherium connexus, Gomphotherium emmonsi, Gomphotherium gratum, Gomphotherium nebrascensis, Gomphotherium ngorora, Gomphotherium productum, Gomphotherium pygmaeus, Gomphotherium rugosidens, Gomphotherium shensiensis, Gomphotherium simplicidens, Gomphotherium wimani, Serridentinus mongoliensis, Serridentinus filholi, Tetrabelodon osborni, Tetrabelodon angustidens, Trilophodon ligoniferus


• Hemphillian of Mexico (1 collection), United States (1: Oklahoma)

• Miocene of United States (20: California, Colorado, Florida, Maryland, Nevada, New Mexico, Oregon, South Dakota, Texas)

Total: 22 collections each including a single occurrence

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