Orrorin tugenensis

References

Images

Chart showing locations and time ranges of hominin fossil deposits across sites in Ethiopia, Chad, Kenya, Tanzania, and South Africa, with illustrations of Australopithecus and related hominin skulls placed along a timeline from about 6.5 to 1 million years ago.

A diagram showing the tentative evolutionary relationships among hominid species over the past four million years, with skull images and labeled species names connected by solid and dotted lines to indicate proposed evolutionary pathways.

Orrorin tugenensis

fossil primate

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Australopithecus
Early species and Australopithecus anamensis
…been established in the six-million-year-old Orrorin tugenensis, a pre-Australopithecus found in the Tugen Hills near Lake Baringo in central Kenya. In 2001 these fossils were described as the earliest known hominin. O. tugenensis is primitive in most if not all of its anatomy, except for femurs (thighbones) that appear to…
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…been established in the six-million-year-old Orrorin tugenensis, a pre-Australopithecus found in the Tugen Hills near Lake Baringo in central Kenya. In 2001 these fossils were described as the earliest known hominin. O. tugenensis is primitive in most if not all of its anatomy, except for femurs (thighbones) that appear to…
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human evolution
The fossil evidence
…found in Kenya of six-million-year-old Orrorin tugenensis indicate to some experts that they too were bipeds. Ar. ramidus (5.8–4.4 mya), a primate from Aramis, central Ethiopia, and one of the two fossil species of Ardipithecus, was also bipedal. In this case the evidence comes from the foramen magnum, the hole…
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…found in Kenya of six-million-year-old Orrorin tugenensis indicate to some experts that they too were bipeds. Ar. ramidus (5.8–4.4 mya), a primate from Aramis, central Ethiopia, and one of the two fossil species of Ardipithecus, was also bipedal. In this case the evidence comes from the foramen magnum, the hole…
Read More