ANT203H5 Lecture Notes - Lecture 14: Tooth Enamel, Morotopithecus, Kenyapithecus
Document Summary
Rift valley started to form were typically primate species are found. India smashed in to asia (cid:373)aki(cid:374)g hi(cid:373)alaya"s. Cercopithecoids (owm: victoriapithecids 19 mya, victoriaputecus last common ancestor of living owm, 3-5 kg, theropithecus (baboon like creatures; eating lots of grasses, plio-pleistocene, east africa, may have been outcompeted by papio (cid:862)api(cid:374)g mo(cid:374)keys(cid:863) Proconsul: 18-20 mya, y-5 cusp pattern, no tail, large brain relative to body size, arboreal quadrupeds, used to be considered the ancestor of great apes, had inflexible limbs (some) Pliopithecoidea: early miocene, first catarrhines to leave africa, pliopithecus, tough foods, suspensory locomotion, robust mandible. Proconsul was thought to be the ancestor of great apes and hominins. Morotopithecus may be ancestral to all apes or just great apes. Kenyapithecus: similar locomotion to living gorillas and chimps (possible knuckle walker, jaw and dentition also similar to living great apes. Proconsul was before kenyapithecus (it was more of the gentle apes)
