ANTHROP 1AA3 Lecture Notes - Lecture 17: Foramen Magnum, Australopithecus Afarensis, Australopithecus
7 Sep 2016
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Paleoanthropology study of fossil humans and ancestors. 1 - position of foramen magnum (shown in red) Hominid spine has two distinctive curves (s-shaped) Shape of the pelvis broad and low. Shape and structure of the foot (arch) Lucy australopithecus afarensis; discovered by donald johanson. Genus australopithecus: many different species recognized. In 2005, at the site of gona in ethiopia cut marks on bones associated with. Higher degree of sexual dimorphism than humans but less than apes. Large postcanine dentition relative to humans; thick enamel. High brachial index (forearm/upper arm ratio) compared to other hominids. Found exclusively in east and south africa [so far ] In 2010 butchered animal bones dating to 3. 4 mya near some australopithecines were found. Nov. 4 is characteristic of hominid history: mosaic evolution. Diverse species in east and south africa mrs ples boisei. Robust larger bone structure, pronounced saggital crest and zygomatic arches. Australopithecus boisei robust example: afarensis, africanus, boisei, robustus, aethiopicus (sometimes called p. aethiopicus)
