Lucy

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Lucy

Nickname for a remarkably complete (40% intact) hominin skeleton found by Donald Johanson at Hadar, Eth., in 1974 and dated to 3.2 million years ago. The specimen is usually classified as Australopithecus afarensis and suggests—by having long arms, short legs, an apelike chest and jaw, and a small brain but a relatively humanlike pelvis—that bipedal locomotion preceded the development of a larger (more humanlike) brain in hominin evolution. Lucy stood about 3 ft 7 in. (109 cm) tall and weighed about 60 lbs (27 kg). See also Hadar remains; Laetoli footprints; Sterkfontein.

This entry comes from Encyclopædia Britannica Concise.
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