Hominin Time Locations Features Found Described Brain Size Co-exist Type Specimen MYA Sahelanthropus 7-6 Cranium, 2001 Michael 300-370 2001 tchadensis Biochro. Chad 2 mand.; no Brunet cc TM 266-01-060-1 PC bones 2001 Orrorin 6-5.7 Tugen Hills, Molar, thick Brigitte 2001 tugenensis Lukeino, enamel, Senut & BAR1000’00 Argon Kenya apelike Martin Pickford Ardipithecus 5.8-5.2 Alaya/M. Mandibles, Yohannes 2004 kadabba Awash teeth, PC ALA-VP-2/10 Ethiopia bones; large canines 2001 Ardipithecus 5.7-4.3 Aramis, Gona Partial Tim White, 1994 Berhane ramidus & Middle skeleton, ARA-VP-6/1 Asfaw, Awash, teeth, Gen Suwa Ethiopia cranium 1994 underside, jaws, limbs Australopithecus 4.3-3.9 E. Turkana, Larger 1965 Maeve 1995 anamensis Allia Bay, & canines Patterson Leakey, KNM-KP 29281 Feibel and Kanapoi, & M. Ian Awash Kenya McDougall 1995 Australopithecus 3.7-2.8 Hadar, Skull, some 1974 Don (446) 1978 afarensis Ethiopia; skeleton, Lucy Johanson 387-550 LH 4 mandible Laetoli, Tanz. crania, lower 1978 cc jaws, limbs Australopithecus 3.5-3.0 Bahr el 1993 Michael 1997 bahrelghazli Ghazal, Koro Brunet KT 12/H1 (= afarensis) Toro, Chad 1997
Hominin Time Locations Features Found Described Brain Size Co-exist Type Specimen MYA Sahelanthropus tchadensis 7-6 Biochro. Chad Cranium, 2 mand.; no PC bones 2001 Michael Brunet 2001 300-370 cc 2001 TM 266-01-060-1 Orrorin tugenensis 6-5.7 Tugen Hills, Lukeino, Kenya Molar, thick enamel, apelike Brigitte Senut & Martin Pickford 2001 BAR1000’00 Ardipithecus kadabba 5.8-5.2 Alaya/M. Awash Ethiopia Mandibles, teeth, PC bones; large canines Yohannes 2001 2004 ALA-VP-2/10 Ardipithecus ramidus 5.7-4.3 Aramis, Gona & Middle Awash, Ethiopia Partial skeleton, teeth, cranium underside, jaws, limbs Tim White, Berhane Asfaw, Gen Suwa 1994 1994 ARA-VP-6/1 Australopithecus anamensis 4.3-3.9 E. Turkana, Allia Bay, & Kanapoi, & M. Awash Kenya Larger canines 1965 Patterson Maeve Leakey, Feibel and Ian McDougall 1995 1995 KNM-KP 29281 Australopithecus afarensis 3.7-2.8 Hadar, Ethiopia; Laetoli, Tanz. Skull, some skeleton, crania, lower jaws, limbs 1974 Lucy Don Johanson 1978 (446) 387-550 cc 1978 LH 4 mandible Australopithecus bahrelghazli (= afarensis) 3.5-3.0 Bahr el Ghazal, Koro Toro, Chad 1993 Michael Brunet 1997 1997 KT 12/H1 Argon