Early Hominins Flashcards
1
Q
major hominin groups
A
- Pre-australopithecines
- australopithecines
- genus Homo
2
Q
pre-australopithecines
A
- earliest possible hominins
- 6.0-4.4 mya
3
Q
Australopithecines
A
genus australopithecus
- diverse forms
- 4.2 - 1.2 mya
4
Q
Genus homo
A
tool users, several species
2.0-present
5
Q
facial prognathism
A
the degree to which the face projects in front of the braincase
6
Q
sactorial premolar complex
A
combination of canine and first remolar teeth that forms a self sharpening aparatus
7
Q
Diasthema
A
a space between two teeth
8
Q
postcanine megadontia
A
big back teeth
9
Q
parabolic dental arcade
A
(like humans)
10
Q
u-shaped dental arcade
A
(like apes)
11
Q
Gracile
A
reduced muscle attachments and tooth size = gracile
