Australopithecus afaernsis Flashcards
1
Q
What is the estimated size of the Australopithecus afarensis brain?
A
430cm^3.
2
Q
What was the height of female Australopithecus afarensis’s?
A
105 - 110cm.
3
Q
What was the height of male Australopithecus afarensis’s?
A
150 cm.
4
Q
When did the Australopithecus afarensis exist?
A
3.9 to 2.8 million years ago.
5
Q
Where did the Australopithecus afarensis exist?
A
East Africa.
6
Q
What are the 8 key cranial features of the Australopithecus afarensis?
A
- Low sloping forehead.
- Prominent brow ridges.
- Short saggital crests.
- Post central foramen magnum.
- Prognathic jaw.
- Large molars and premolars.
- Small canine teeth.
- Diastema present.
7
Q
What are 4 key post cranial features of the Australopithecus afarensis?
A
- Longer arms.
- Long curved fingers and toes.
- Big toe not opposable.
- Carrying angle of femur.
