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Unformatted text preview: Protohominids-earliest members of the hominid lineage-7-5 mya-sahelanthropus tchadensis-orrorin tuganensis-Structure and behavior are reconstructed hypothetically Sahelanthropus tchadensis-oldest suggested hominid species-7-6 mya, discovered in Chad, 2001-Partial cranium recovered-small brain-little prognathism-hominid like teeth-bipedal? Orrorin tuganensis-6mya Tugen Hills, Kenya Teeth and Prostcrania recovered leg bones look bipedal human like teeth (small canines and thick enamel) Ardipithecus kadabba MNI = 5 (minimum number of individuals) 5.8 and 5.5 mya Rift Valley (Etheopia) Bipedal Earliest consensus, human ancestor...
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- Spring '08
- Hominidae, Hominina, Ardipithecus, bipedalism, Bipedalism Bipedal posture, mya Rift Valley