ANTH 1220 Chapter Notes - Chapter 4: Foramen Magnum, Tooth Enamel, Afar Language
19 May 2017
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Environment mixed woodland, great variety of species used broad resource (omnivore) . Fossil includes: near complete cranium, fragments of lower jaw, teeth (probably adult male sexual dimorphism) . Human traits foramen magnum, not fully beneath (possible part-time biped), canine (short and thick tooth enamel, more human than ape), flat face (completely absent in australopithecus) . 7 million years old very close to the d . 3 clear genera of hominins flourish : ardipethecus, australopithecus and homo. Ethiopia gulf of aden, afar triangle (lucy is also found here) . 1992 fossils discovered in ethiopia (time white and colleagues) oldest clear hominin so far . Very close to hypothetical ape-hominin divergence base don dna . Forest dweller, contrary to later hominids, open savannah. More under skull, beginning of adaptation to bipedalism. Discovered 1995 in lake turkana (kenya) by r. and. Anam = turkana word for lake (same genus that dart found, but is earlier) .
