Australopithecus africanus pelvis (STS-14). This fossil specimen was discovered in 1947, in Sterkfontein, South Africa. The entire specimen consists of the pelvis, part of the vertebral column, and a femur (lower right). It also includes fragments of a rib (not shown). These fossils are thought to be around 2.5 million years old. Studies of this specimen has shown that this species walked upright. A. africanus is one of several extinct species forming an early part of the human evolutionary tree.
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