Sahelanthropus Tchadensis & Orrorin Tugensis
How old is orrorin tugensis?
6.2 - 5.6 MYA
how old is Sahelanthropus Tchadensis?
7-6 MYA
Where was Sahelanthropus Tchadensis found?
Chad
who discovered Sahelanthropus?
Michael Brunet
Who is the oldest Homin?
Sahelanthropus Tchadensis
what may or may not shalanthropus tchadensis be?
a biped
what are the primitive/apelike features of Orrorin Tugenensis?
ape like teeth, humerus and proximal phalanx indicate climbing adaptations`
why is sahalanthropous tchadensis difficult to study?
because the skull is in poor condition
what is smaller in female sahalanthropus tchadensis?
canines
what are the small canines in female teeth a problem for sahalanthropus tchadensis?
difficult when pinning the link of humans to early fossils
what are the derived features of sahelanthropus
face is less prognathic than pan and australopithecus, small canines, no diastema, foraman magnum is similar to other bipeds, and thick enamel in teeth
where was ororrin tugensis found?
in kenya
what was wrong with Sahlenthropus' skull when it was found?
it was deformed
what are the derived characteristics for Orrorin Tugenensis?
long positioned femoral neck and a possible groove for obturator internus muscles
what pieces of Sahelanthropus were found?
skull, teeth, and jaw
what does the term homininae stand for?
sub phrase for what humans fit into
What are the primitive/apelike features of Sahelanthropus Tchadensis?
tall face, large brow ridge, teeth morphology is similar to chimps, canines honed against P3, temporal muscles is similar to chimp