in cu cm): 360-370 (slightly smaller than a male chimp's) SPECIAL FEATURES: oldest known hominin; set apart from other fossil apes by smaller canines, thicker and larger cheek teeth, and more ...

A. afarensis' small braincases and relatively large teeth and chewing muscles are similar to those of chimpanzees. However, their teeth, as well as their leg and pelvis bones, exhibit human-like ...