Study of the evolution, biologic history, biostratigraphy, and classification of the Cenozoic vertebrates with major emphasis on the mammals. Prerequisites: ZOOL 1457 and (1) GEOL 3102-1102, (2) ZOOL 4206, (3) BIOL 3106-1108, or (4) instructor approval. ZOOL 1457 may be taken concurrently with ZOOL 3456.