lucy

Lucy's skeleton was found by Donald Johanson and Tom Gray in 1974 in Ethiopia. An ulna was spotted that was identifued as a hominid, a long period of excavation began which presented them with forty percent of a single hominid skeleton. This skeleton is a member of the family Hominidae which encompasses all species originating after humans and ape's split. A defining characteristic of all hominids is that they are able to walk upright and have bipedal locomotion. There legs lie directly underneath their pelvis. Lucy showed key characteristics that pointing to bipedality. Her skeleton is approximately 3.2 million years old.