Pliocene
Pliocene
Definition
Plio·cene (plī′ə sēn′)
adjective
designating or of the second and last geologic epoch of the Neogene, characterized by the joining of what are now North and South America, the formation of the Arctic ice cap, the extensive migration of mammals between continents, and the development of apelike humans in Africa
the Pliocene
the Pliocene Epoch or its rocks
