Sahelanthropus Tchadensis & Orrorin Tugensis

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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


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