ANT200Y1 Lecture Notes - Darth Vader, Kenyanthropus, Olduvai Gorge
Document Summary
Earliest known stone tools in the strata, its between the bkt-2 tuff and the bkt-3 tuff just choppers and flakes. Four genii in this period, all existing at the same time in a radiation event: All adapted to different niches, must be specialized to explain this degree of differentiation. But we don"t understand very well what those differences were. Australopithecus good amount of fossils, changes in dentition, gracile bodied but with large jaws. At least two species, one in south africa and one in east africa. Paranthropus is a specialist, looks like darth vader. Massive sagittal crest, flared cheeks to anchor huge chewing muscles. Variation within this genus with separate species in south africa and. Homo habilis looks a lot like australopithecines, but have slightly larger brain size. Association alone doesn"t solve this problem, and it remains unclear exactly how to solve this tool. Can be placed in time, younger than 2. 4mya and older than 2. 34mya.
