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Orrorin is an
extinct genus of
primate within Homininae from the
Miocene Lukeino Formation and
Pliocene Mabaget Formation, both of Kenya. The type species...
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Subtribe Hominina Sahelanthropus†
Sahelanthropus tchadensis Orrorin†
Orrorin tugenensis Orrorin praegens Ardipithecus†
Ardipithecus ramidus Ardipithecus...
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clades is
indicated in
millions of
years ago (Mya). Both
Sahelanthropus and
Orrorin existed during the
estimated duration of the
ancestral chimpanzee–human...
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aethiopicus Ardipithecus Ardipithecus ramidus Ardipithecus kadabba Orrorin Orrorin tugenensis Sahelanthropus Sahelanthropus tchadensis Graecopithecus...
- consensus.
Sahelanthropus (?)†
Sahelanthropus tchadensis Orrorin†
Orrorin tugenensis Orrorin praegens Ardipithecus†
Ardipithecus ramidus Ardipithecus...
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Sahelanthropus in Hominina, as well as
Ardipithecus and the 6-million-year-old
Orrorin, was at odds with
molecular analyses of the time,
which had
placed the...
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Francisco J.
Ayala proposed resurrecting the
genus Praeanthropus to
house Orrorin, A. afarensis, A. anamensis, A. bahrelghazali, and A. garhi, but this genus...
- is used as
evidence of
bipedal locomotion in the hominins. The
fossil Orrorin tugenensis (6-7 mya)
possesses the
obturator externus groove,
which suggests...
- have
provided very
important information regarding dental morphology.
Orrorin had
smaller teeth relative to body size and the
enamel was thicker. The...
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earlier upright walking hominins of the
Pliocene such as Australopithecus,
Orrorin tugenensis, Ardipithecus, or Sahelanthropus.
Designations alternative to...
