Before H. sapiens Flashcards
1
Q
Sahelanthropus age
A
7 mya
2
Q
Sahelanthropus location
A
Chad
3
Q
Sahelanthropus features
A
- anteriorly positioned foramen magnum
- reduced canines
- chimp sized brain (350 cm3)
4
Q
Ardipithecus age
A
5.5 - 4.5 mya
5
Q
Ardipithecus location
A
Ethiopia
6
Q
Ardipithecus features
A
- anterior foramen magnum
- small canines
- chimp sized brain (~325 cm3)
7
Q
Australopithecus age
A
3.7 - 1.78 mya
8
Q
Australopithecus location
A
E/S Africa
9
Q
Australopithecus features
A
- ~475 cm3
- thick enamel
- sexually dimorphic in body size
- prognathic face
- stone tool use
10
Q
Paranthropus aethiopicus age
A
2.7 - 2.3 mya
11
Q
Paranthropus aethiopicus location
A
E. africa
12
Q
Paranthropus aethiopicus features
A
- highly prognathic face
- massive sagital crest
- massive molars
13
Q
paranthropus boisei age
A
2.3 - 1.2 mya
14
Q
paranthropus boisei location
A
E. africa
15
Q
paranthropus boisei features
A
- sagittal crest
- laterally flaring cheek bones
- large post canine teeth
