~2,280,000 years old    
Locality: Koobi Fora Burgi Member, Koobi Fora Formation, East Lake Turkana, Kenya
(age between 2.68 Ma and 1.88 Ma based on K-Ar) |
~2,480,000 years old  
Locality: Laetoli Garusi Upper Ndolanya Beds, Laetoli, Tanzania
(age between 2.66 Ma and 2.3 Ma based on K-Ar) |
~2,500,000 years old 
Locality: Taung, Taung, South Africa
(age between 3 Ma and 2 Ma based on Biochron) |
~2,500,000 years old
Locality: Lomekwi 1 Upper Lomekwi Member, West Turkana, Kenya
(age between 2.57 Ma and 2.43 Ma based on K-AR, Paleomag) |
~2,565,000 years old
Locality: Gona Ounda Gona OGS 6, Gona drainage, Awash Basin, Ethiopia
(age between 2.6 Ma and 2.53 Ma based on K-Ar, Paleomag) |
~2,685,000 years old
Locality: Omo Member C, Member C, Omo Shungura, northern Lake Turkana, Ethiopia
(age between 2.85 Ma and 2.52 Ma based on K-Ar) |
~2,840,000 years old
Locality: Sterkfontein Member 4, Sterkfontein, Cradle of Humankind, South Africa
(age between 4.18 Ma and 1.5 Ma based on Biochron and Paleomag) |
~3,065,000 years old 
Locality: Koobi Fora Tulu Bor Member, Koobi Fora Fromation, East Lake Turkana, Kenya
(age between 3.44 Ma and 2.69 Ma based on K-Ar) |
~3,065,000 years old
Locality: Sterkfontein Member 2, Sterkfontein, Cradle of Humankind, South Africa
(age between 4.18 Ma and 1.95 Ma based on Biochron and Paleomag) |
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