地猿
地猿（Ardipithecus）是人科中非常早期的一属，生存在440万年的上新世早期。由于牠与非洲的类人猿有很多相似的地方，故牠被认为是属于黑猩猩分支而非人类分支。但因其牙齿像南方古猿的牙齿，故大部份认为牠是原始人。
Ardipithecus
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Ardipithecus 地猿
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Ardipithecus is a genus of an extinct hominine that lived during Late Miocene and Early Pliocene in Afar Depression, Ethiopia. Originally described as one of the earliest ancestors of humans after they diverged from the main ape lineage, the relation of this genus to human ancestors and whether it is a hominin is now a matter of debate. Two fossil species are described in the literature: A. ramidus, which lived about 4.4 million years ago during the early Pliocene, and A. kadabba, dated to approximately 5.6 million years ago (late Miocene). Behavioral analysis showed that Ardipithecus could be very similar to those of chimpanzees, indicating that the early human ancestors were very chimpanzee-like in behaviour.
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