ANT 001

• - Found in Aramis, Ethiopia
• - less projecting and more "incisoform" canines. a derived trait found in Ardipithecus and in later hominoids
• - Ardipithecus was found in a forested region negating the savana theory

• 1. curved spinal column
• 2. differently shaped pelvis
• 3. thigh bone (femur) angles inward
• 4. bigger knee joints
• 5. non-grasping big toe

Found in Laetoli, Tanzania (E. Africa)

• Was bipedal:
• - angled femur
• - knee surface flattened and broadened for stability
• - pelvic blade shortened
• - big toe convergent

..still not human w/short legs, long arms and curved fingers

• 1. A. afarensis canine shows wear on the sides and on the tip (human/ape)
• 2. First lower premolar was "intermediate" between a unicuspid chimp, and a bicuspid human
• 3. The diastema is still present in A.afarensis but "intermediate" between human/ape
• 4. Dental arcade is ape

• shows ancestral traits such as:
• - strong prongnathism
• - sagittal crest