Gomphotheriidae Hay, 1922
Gomphotherium anguirvalis
Gomphotherium brewsterensis
Gomphotherium connexus
Gomphotherium nebrascensis
Gomphotherium obscurum
Gomphotherium osborni
Gomphotherium productum
Gomphotherium rugosidens
Gomphotherium simplicidens
Gomphotherium wimani
Tetrabelodon angustidens
