ammonites
banner
Gateway to the Paleobiology Database
Mylohyus fossilis Leidy 1860 (peccary)

Osteichthyes - Artiodactyla - Tayassuidae

PaleoDB taxon number: 48898

Alternative combination: Dicotyles fossilis

Synonyms: Dicotyles pennsylvanicus Leidy 1889 (no. 45686), Mylohyus browni Gidley 1920 (no. 48894), Mylohyus exortivus Gidley 1920 (no. 48896), Mylohyus gidleyi Simpson 1929 (no. 48899), Mylohyus pennsylvanicus Leidy 1889 (no. 48903), Mylohyus tetragonus Cope 1899 (no. 48905)

Belongs to Mylohyus according to D. B. Wright 1998

Sister taxa: Mylohyus elmorei, Mylohyus floridanus, Mylohyus longirostris, Mylohyus nasutus, Mylohyus obtusidens, Mylohyus temerarius

Type specimens:

  • Mylohyus fossilis: ANSP 11509, a set of teeth (five isolated teeth)
  • Dicotyles pennsylvanicus:
  • Mylohyus browni: USNM 11810, a mandible.
  • Mylohyus exortivus: USNM 8876, a mandible. Its type locality is Cumberland Cave, which is in an Irvingtonian cave horizon in Maryland.
  • Mylohyus gidleyi: AMNH 23504, a mandible. Its type locality is Seminole Field, which is in a Pleistocene fluvial sandstone in Florida.
  • Mylohyus tetragonus:

Ecology: ground dwelling browser-grazer

Average measurements (in mm): M1 15.3 x 14.9, M2 15.4 x 15.3, M3 14.8 x 13.1, p4 13.8 x 15.0, m1 14.7 x 13.9, m2 16.5 x 16.5, m3 21.8 x 14.6