ANTHROP 2E03 Lecture Notes - Lecture 9: Piltdown Man, Donald Johanson, Paranthropus Aethiopicus
9 Apr 2018
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South africa, 1924 (cid:862)tau(cid:374)g (cid:272)hild(cid:863) (cid:374)a(cid:373)ed for limestone quarry. Australopithecus africanus (cid:862)souther(cid:374) ape fro(cid:373) afri(cid:272)a(cid:863) Deciduous teeth and erupted m1 (human eruption pattern = age 6) Expanded molars and premolars, rounded cusps, small canines, thick enamel. African apes have smaller molars, pointed cusps, large canines, thin enamel. Brain slightly enlarged over ape (400-500cc vs. 300-350cc) Discounted by many researchers who thought piltdown man . Large brain, ape-like teeth, was the base of human lineage. Taung a juvenile juvenile apes look more like juvenile humans. Thought dart has misidentified an extinct ape: critics said it looked like an extinct ape. Discoveries by robert broom in the 1940s at sterkfontein lead to acceptance of au. Sites of sterkfontein and kromdraai yielded new species australopithecus robustious. Named for massive cheek teeth robust mandible, massive wide and flat cheek bones, post orbital constriction, sagittal and nuchal crests on skull. Suggested a heavier musculature indicative of tougher diet and heavy chewing.
