ARCH 131 Lecture Notes - Lecture 11: Homo Rudolfensis, Homo Habilis, Olduvai Gorge

• School: Simon Fraser University
• Department: Archaeology
• Course: ARCH 131
• Professor: Dennis Sandgathe

Document Summary

Cutmarks on a 3. 4 mya gazelle bone are thought to be made by a stone cool, which means stone tools could have predated the genus homo. Fossils found from olduvai gorge in 1960 (called oh 7). Oh 7 is the type fossil or holotype, which the first fossil found of a new species. Notably smaller teeth, notably larger brain 510 cubic centimetres. Smaller teeth with a parabolic dental arcade. Intermembral index (arm length/leg length x 100) is lower at 80-90. (chimps 100-115, Knm er 1813 was a skull found 1. 9mya in kuba fora (no mandible) and oh 24 found in. Ld-350-1 mandible, from afar depression, discovered in 2015, from 2. 8mya, very small teeth and a more parabolic dental arcade. Smaller teeth overall, and slightly more parabolic dental arcade. More advanced precision grip, good at holding small items like pieces of stone used as tool. They also have advanced apical tuft (top of the phalange).