Sahelanthropus tchadensis
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Australopithecus
- In Australopithecus
…the human lineage (hominins) include Sahelanthropus tchadensis (7–6 mya), Orrorin tugenensis (6 mya), Ardipithecus kadabba (5.8–5.2 mya), and Ar. ramidus (5.8–4.4 mya)—that is, pre-Australopithecus species that are considered to be ancient humans—and one additional species of early human, Kenyanthropus platyops (3.5 mya). The first undisputed
Read More - In Australopithecus: Early species and Australopithecus anamensis
…example, the purported earliest species, Sahelanthropus tchadensis, is humanlike in having a slightly reduced canine tooth and a face that does not project forward very far. However, in most other respects, including brain size, it is apelike. Whether the species walked upright is not known because only a single cranium,…
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Homo sapiens
- In Homo sapiens: Origin
…candidate for hominin status is Sahelanthropus tchadensis, based on a cranium from of Chad in north-central Africa. Announced in 2002, this specimen is dated to the period between 7 and 6 mya. The distinctive mark of Hominini, the lineage that includes humans and their direct ancestors, is generally taken to…
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human evolution
- In human evolution: Background and beginnings in the Miocene
Sahelanthropus inhabited Chad between 7 and 6 million years ago. Orrorin was from central Kenya 6 mya. Among these, the most likely ancestor of great apes and humans may be either Kenyapithecus or Griphopithecus.
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