Australopithecus

[aw-strey-loh-pith-i-kuh s, -puh-thee-kuh s, aw-struh-] /ɔˌstreɪ loʊˈpɪθ ɪ kəs, -pəˈθi kəs, ˌɔ strə-/
noun
1.
an extinct genus of small-brained,large-toothed bipedal hominids that lived in Africa between one and four million years ago.
Origin
< Neo-Latin (1905), equivalent to austral(is) austral + -o- -o- + pithēcus < Greek píthēkos ape
Word Origin and History for Australopithecus
n.

1925, coined by Australian anthropologist Raymond A. Dart (1893-1988) from Latin australis "southern" (see Australia) + Greek pithekos "ape." So called because first discovered in South Africa.

Australopithecus in Culture
Australopithecus [(aw-stray-loh-pith-i-kuhs, aw-stray-loh-pi-thee-kuhs)]

An extinct genus of the hominid family that lived in Africa from about three to one million years ago. The name means “southern ape.”

Note: Members of this genus were the ancestors of modern humans. One of the best-known fossils, Lucy, was a member of this genus.