Hominid Table - Australopithecin es gracile Afarensis...

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Australopithecin es Dates Sites Brain Archaeological Evidence Social Organization- band level Subsistence gracile ~450 cc Slender in form Band level Ate leaves, fruits, roots- opportunistic scavengers Afarensis Donald Johanson 1973 4-3 mya Laetoli Tanzania Hadar, Ethiopia (E. Africa) -“lucy” skeleton -Laetoli footprints- 3.7-3.5 mya- evidence of 2 hominids walking preserved in volcanic ash- evinces bipedalism Africanus Raymond Dart 1924 3-2.2mya Taung, sterkfontein (S. Africa) Round & smooth skull robust ~530 cc bigger bone hard seeds, nuts, & fiberous tubers- opportunistic scavengers robustus 2-1 mya Southern Africa Boisei M. Leakey 1959 2.2-1 mya Olduvai Gorge, Tanzania Homo Habilis M. leakey 1961 2.4-~1.8 mya Olduvai DK ~1.8 mya FLK ~1.75 mya Koobi Fora, Kenya FxJj 50~1.8mya 600-700 cc -Larger brain size & brain to body ratio than Reduce dentition- smaller teeth & jaws less prognathic Oldowan tools at Olduvai DK @ Olduvai Gorge-Leakey excavated semi- circle of stone-
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This note was uploaded on 01/27/2011 for the course ARCH 140 taught by Professor Dale during the Fall '10 term at Washington University in St. Louis.

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Hominid Table - Australopithecin es gracile Afarensis...

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