Human Evolution: Hominin Species from Sahelanthropus to Homo
Preaustralopithecus
Sahelanthropus tchadensis: antiquity of 7 to 6 million years ago (Ma), cranial capacity of 350 cm³, bipedal gait.
Orrorin tugenensis: bipedal and walked upright, lived between 6.2 and 5.6 Ma, 140 cm tall, lived in dense forest environments, diet of leaves and fruits.
Ardipithecus ramidus: lived between 4.4 and 4.1 Ma, brain of about 350 cm³, height of about 120 cm, jaws projecting forward as in chimpanzees, functional bipedalism, lived in a forest environment, fed on stems, leaves and fruits.
Ardipithecus kadabba: lived 5.8 to 5.2 Ma, bipedal gait.
Australopithecus
Australopithecus anamensis: 4.2 to 3.9 Ma, bipedal, thick tooth enamel, forests and woodlands.
Australopithecus afarensis: 3.9 to 2.9 Ma, 110 cm tall, sagittal crest,...