Term
|
Definition
3-5 mya
6 species and 2 major groups: gracile and robust |
|
|
Term
|
Definition
-Smaller dentition
-lighter facial and dental musculature
-ancestral to Homo |
|
|
Term
|
Definition
-Thick jaws
-Large molars and premolars
-Small incisors
-Sagittal crest and massive muscle attachments for chewing |
|
|
Term
| Australopithecus Anamensis |
|
Definition
| Afarnesus-like from head up. Homo-like from neck down. (4.2-3.5 mya) Gracile. |
|
|
Term
| Australopithecus Afarensis |
|
Definition
| Least common ancestor to all Homo lines. Thick enamel, large canines, heavily muscled fingers/toes. (5-3 mya) Gracile. |
|
|
Term
| Australopithecus Africanus |
|
Definition
| Not ancestral to Homo. Broad incisors and short, small canines. Taung child. (3-1 mya) Gracile. |
|
|
Term
| Australopithecus Aethiopicus |
|
Definition
| Heavily projecting face. Vegetarian based on dental structure (2.6-1.8 mya) Robust. |
|
|
Term
|
Definition
| Huge chewing apparatus. "Hyper robust" |
|
|
Term
|
Definition
| Direct ancestor to modern humans |
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