†unranked clade Brontotheriita Marsh 1873 (brontothere)
Mammalia - Perissodactyla - Brontotheriidae
Parent taxon: Brontotheriina according to M. C. Mihlbachler 2008
Sister taxa: Diplacodon, Epimanteoceras, Pachytitan, Protitan, Rhinotitan
Subtaxa: Dianotitan Duchesneodus Duchesneodus californicus Duchesneodus primitivum Duchesneodus thyboi Eubrontotherium Megacerops Notiotitanops Parabrontops Parvicornus Protitanops
Ecology: ground dwelling browser
Distribution:
• Eocene of Canada (3: Saskatchewan collections), China (1), Mexico (1), United States (63: California, Colorado, Georgia, Mississippi, Montana, Nebraska, New Mexico, Oregon, South Dakota, Texas, Utah, Wyoming)
Total: 68 collections including 79 occurrences