Australopithecus
| Australopithecine | ||||||||||||
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A. afarensis ("Lucy")
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Australopithecines (genus Australopithecus) are a group of extinct Hominids that are closely related to humans. A. afarensis and A. africanus are among the most famous of the extinct hominids. A. africanus used to be regarded as ancestral to the genus Homo (in particular H. erectus), but since then Hominid fossils have been found that are older than A. africanus, but nevertheless seem to belong to the genus Homo. Thus, the genus Homo either split off from the genus Australopithecus at an earlier date (the latest common ancestor being A. afarensis or an even earlier form), or both developped from an as yet possibly unknown common ancestor independently.
The genus Paranthropus developed from Australopithecus but is most often considered a single genus. When it is considered to be a separate genus, aethiopicus, boisei and robustus then belong to that genus.