There is no Equus inside Omo deposits before member G of the Shungura Formation (Eisenmann, 1985). According to Table 1 of Alemseged (2003) Tuff G, at the base of member G, is 2.33 Ma old; member H is contemporary with The Olduvai event – 1.95 to 1.77 My.
Thanks to de Heinzelin (1983) many (…)