Orrorin is an extinct genus of primate within Homininae from the Miocene Lukeino Formation and Pliocene Mabaget Formation, both of Kenya. The type species...
perhaps Orrorin), are supported by one community of scientists but doubted by another. Extant species are in bold. Sahelanthropus tchadensis Orrorin tugenensis...
the time of the chimpanzee–human divergence, and was possibly related to Orrorin, a species of Homininae that lived about one million years later. It may...
Francisco J. Ayala proposed resurrecting the genus Praeanthropus to house Orrorin, A. afarensis, A. anamensis, A. bahrelghazali, and A. garhi, but this genus...
to belong to the human lineage are Sahelanthropus tchadensis (7 Ma) and Orrorin tugenensis (6 Ma), followed by Ardipithecus (5.5–4.4 Ma), with species...
have provided very important information regarding dental morphology. Orrorin had smaller teeth relative to body size and the enamel was thicker. The...
Nakalipithecus Orrorin Sahelanthropus Kenyanthropus Ardipithecus A. kadabba A. ramidus Australopithecus A. afarensis A. africanus A. anamensis A. bahrelghazali...
earlier upright walking hominins of the Pliocene such as Australopithecus, Orrorin tugenensis, Ardipithecus, or Sahelanthropus. Designations alternative to...
Nakalipithecus Orrorin Sahelanthropus Kenyanthropus Ardipithecus A. kadabba A. ramidus Australopithecus A. afarensis A. africanus A. anamensis A. bahrelghazali...
to species level, they suggested that Ardipithecus, Sahelanthropus, and Orrorin could potentially belong to the same genus. In 2008, American paleoanthropologists...
Australopithecina and Hominina, with the only known genus in Hominina being Homo. Orrorin (2001) has been proposed as a possible ancestor of Hominina but not Australopithecina...
Nakalipithecus Orrorin Sahelanthropus Kenyanthropus Ardipithecus A. kadabba A. ramidus Australopithecus A. afarensis A. africanus A. anamensis A. bahrelghazali...
fossilised molar of a Orrorin tugenensis there, and that encouraged him to return 30 years later. In 1975, he named the fossilised finds Orrorin tugenensis, which...
Nakalipithecus Orrorin Sahelanthropus Kenyanthropus Ardipithecus A. kadabba A. ramidus Australopithecus A. afarensis A. africanus A. anamensis A. bahrelghazali...
discussing the reaction of others to a new fossil he writes of "claims that Orrorin ... was an ape rather than a human". A list of the families of the living...
walking took place approximately six to seven million years ago evident in Orrorin tugenensis. These hominin were some of the first bipeds who propagated...