ANP 201 Chapter Notes - Chapter 10: Australopithecus, Pleistocene, Bipedalism
Document Summary
Pliocene epoch: the fifth epoch of the cenozoic ara, dating from 5. 3 million to 1. 8 million years ago. Numerous species of hominins evolved during the pliocene, including the first members of the genus homo by the end of the epoch. Pleistocene epoch: the sixth epoch of the cenozoic era, dating from 1. 8 million to 10,000 years ago. Sahelanthropus tchadensis: an early possible honinin species from africa, dating between 6 million and 7 million years ago, that has a number of hominin dental traits and may have been bipedal. Foramen magnum: the large opening at the base of the skill where the spinal cord enters. It was a biped but had many primitive apelike features of the skull and teeth: australopithecus afarensis: a primitive hominin found in east africa, dating between 3. 7 and. 3. 0 million years ago: kenyanthropus platyops: a species of early hominin in east africa, dating from 3. 5 to 3. 2 million years ago.