“…Of these species, B. bison appears between 4 and 5 ka, during the early Holocene in southern Canada (Wilson et al, 2008). Among Pleistocene species, B. antiquus has the widest geographic range in Mexico, with fossil material from Baja California (Skinner and Kaisen, 1947; Ferrusquía-Villafranca and Torres-Roldán, 1980; McDonald, 1981), Baja California Sur (McDonald, 1981), Estado de México (Hibbard, 1955), Jalisco (Downs, 1956; McDonald, 1981; Lucas, 2008), Puebla (McDonald, 1981), San Luis Potosí (Skinner and Kaisen, 1947; McDonald, 1981), Michoacán (Díaz-Sibaja, 2013), and Oaxaca (Jiménez-Hidalgo et al, 2013).…”