Homotherium is an extinct genus of scimitar-toothed cat belonging to the extinct subfamily Machairodontinae that inhabited North America, Eurasia, and Africa, as well as possibly South America during
Homotheriumtex 1
Skeleton of the South American species "Homotherium" venezuelensis, which recent authors have suggested may be better placed in Xenosmilus
Skull of H. latidens/crenatidens
Machairodontinae is an extinct subfamily of carnivoran mammals of the cat family Felidae, representing the earliest diverging major branch of the family.
Homotherium
…Homotherium is an extinct genus of scimitar-toothed cat belonging to the extinct subfamily Machairodontinae that inhabited North America, Eurasia, and Africa, as well as possibly South America during the Pliocene and Pleistocene epochs from around 4 million…
Undersides of the skulls of two Smilodon, the skull on the left being in the process of replacing the canines
Domestic cat skull, at maximum gape (80°)
Smilodon fatalis skull, at maximum gape (128°)