Mammalia - Perissodactyla - Brontotheriidae

Alternative combinations: Limnohyops laevidens, Limnohyus laevidens

Synonyms: Limnohyops monoconus Osborn 1908, Limnohyops priscus Osborn 1908, Palaeosyops priscus Osborn 1908

Belongs to Palaeosyops according to G. F. Gunnell and V. L. Yarborough 2000

Sister taxa: Palaeosyops fontinalis, Palaeosyops laticeps, Palaeosyops paludosus, Palaeosyops robustus

Type specimens:

• Palaeosyops laevidens: Its type locality is Cottonwood Creek (Lower Bridger), which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming
• Limnohyops monoconus: Its type locality is Grizzly Buttes, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
• Limnohyops priscus:

Ecology: ground dwelling browser

Average measurements (in mm): M1 25.8 x 27.6, M2 35.1 x 34.7, M3 35.4 x 37.3, m1 24.4 x 16.1, m2 29.9 x 19.9, m3 41.0 x 21.7