Eocene can be categorized as early epochs, It comes after the Paleocene Epoch and precedes the Oligocene Epoch. Eocene got it's origin from the Greek eos meaning ( Dawn). The beginning of Eocene produce the two appearance of two new groups of animals among the terrestrial vertebrates which are; the artiodactyls and the perissodactyls.
Eocene Epoch is reffered to as the second epoch in the order of the division of Cenozoic period . therefore, there is need for scientist to study information related to the Cenozoic era in other to know the geological time scale Eocene belongs to.
