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Flashcards in Hominin Evolution Deck (8)
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1

Ardipithecus ramidus

5.8-4.4 mya

Found in Ethiopia

Mosaic of ape and hominin features (anterior foramen magnum but abducted hallux with long limbs)

Proves Africa was forested at this time and not a savanna

2

Paranthropus

2.8-1 mya

East and South Africa

450-550 cc

Small bodied, bipedal, ape-like upper body

"Robust" chewing aparatus - megadonty, sagittal crest, post orbital constriction, large temporal fossa

3

Orrorin tugenesis

6 mya

Found in Kenya

Femoral angle indicates possible bipedalism; still has ape-like features

4

Kenyanthropus platyops

3.5 mya

Found in Kenya

Contemporaneous with Australopithecus

5

Sahelanthropus tchadensis

7-6 mya

Found in Chad

Theorized to be bipedal, but unknown due to condition of skull (can not identify foramen magnum placement)

6

Paranthropus is called _________ by "lumpers"

Australopithecus (robust)

7

Homo naledi

unknown - est. 2.8-2.5 mya

South Africa

560 cc

Mosaic of ape and hominin features

8

Australopithecus 

4-1 mya

East and South Africa

400-500 cc

Small bodied, bipedal, ape-like upper body

"Gracile" chewing aparatus