Homain

| | |Cranial | | | |

|Species |Date |Capacity (cm3)|Height |Location |Features |

| | | |(feet) | | |

|Sahelanthropus tchadensis |7-6 m.y.a |320-380 |- |Djurab desert, Chad, Central |One of the oldest known species in the human family tree; blend of ape and human features: a |

|“Toumai” | | | |Africa! |small chimpanzee-sized brain, heavy brow ridges, flat ~human-like face, upright walking, less |

| | | | | |snout protrusion, savanna, forests, rivers, and lakes |

|Orrorin tugenensis |6.2-5.8 m.y.a. |- |- |Kenya |Common ancestor to apes and humans? chimp-size w/ ~biped and climbing features; primitive |

| | | | | |ape-like traits (e.g., teeth), wooded environment |

|Ardipithecus kadabba |5.8-5.2 m.y.a. |- |- |Middle Awash valley, Ethiopia |Ancestor to ramidus; ape-like size, wooded environment |

| | |- |4 |Awash River Valley, Ethiopia...