Mammalia - Perissodactyla - Brontotheriidae
Synonyms: Diplacodon osborni Peterson 1914, Diplacodon progressum Peterson 1934, Diploceras osborni Peterson 1914, Eotitanotherium osborni Peterson 1914, Pseudodiplacodon progressum Peterson 1934
Full reference: O. C. Marsh. 1875. Notice of new Tertiary mammals, IV. American Journal of Science, series 3 9(51):239-250
Belongs to Diplacodon according to M. C. Mihlbachler 2011
See also Hay 1902, Lucas 1983, Mader 1989, Mader 2000, Mader 2008, Marsh 1875, Mihlbachler 2008, Osborn 1929, Peterson 1914, Peterson 1914 and Peterson 1934
Sister taxa: Diplacodon emarginatus, Diplacodon gigan
Type specimens:
- Diplacodon elatus: YPM 11180, a skull
- Diplacodon progressum: Its type locality is Skull Pass Quarry, which is in an Uintan terrestrial horizon in the Uinta Formation of Utah.
- Eotitanotherium osborni: CM 2858, a partial skeleton (front of skull, lower jaws, portion of pelvis, atlas, portion of axis, fragments of scapula and foot-bones). Its type locality is Myton (Upper Uinta B), which is in an Uintan terrestrial horizon in the Uinta Formation of Utah.
Ecology: ground dwelling browser
Distribution:
• Eocene of United States (2: Utah collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.