ANTH 1001 Lecture : Final Anthropology Notes
Document Summary
*years not required, but note them to be able to place events in order. Earliest life appeared about 2. 5 billion years ago. Time divided into: eons, eras, periods, epochs, ages. Explosion of reptiles during this area, which moves us into the: mesozoic era: age of the dinosaurs (includes triassic, jurassic, and cretaceous. Periods) another mass extinction, not quite as severe as the peruvian mass extinction. Were some small mammals among the big dinosaurs, and these are the ones that mainly survived and persisted into the: cenozoic era: age of mammals. Paleocene: (65-55 mya) cannot distinguish primates from primitive mammals at this time. Plesiadapiforms may be ancestral to primates, but it"s very unclear. Found over 100 years ago with more than 75 paleospecies recognized of the plesiadapiforms. Mainly small aboreal quads with short limbs, no opposable halix, lateral eyes, small brains, long snouts, no post orbital bar, claws instead of nails, large incisors.
