Bison antiquus Leidy, 1853 fossil buffalo skeleton (real) from the Pleistocene of New Mexico, USA (public display, CM 10192, Carnegie Museum of Natural History, Pittsburgh, Pennsylvania, USA).
The ancient bison (a.k.a. Ice Age bison) had a slightly larger body & horns compared with the modern American buffalo (Bison bison). Bison antiquus is the inferred ancestral species to modern Bison bison.
Classification: Animalia, Chordata, Vertebrata, Mammalia, Artiodactyla, Bovidae
Stratigraphy: near-uppermost Pleistocene
Locality: near Folsom, northeastern New Mexico, USA
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