The Neogene period is a division of the geologic time scale that extends from approximately 23 million years ago to 2.6 million years ago. It is subdivided into two epochs: the Miocene and the Pliocene.
During the Neogene the climate became colder and drier than in the preceding period, the Paleogene.
Regarding the fauna, the Neogene witnessed the appearance and diversification of many groups of animals that still exist today, such as elephants, rhinos, horses, antelopes, cats, dogs and primates, including to the humans. Many groups of extinct animals also developed, such as mammoths, mastodons, and megatherians.
As for the flora, during the Neogene there was an important evolutionary radiation of angiosperm plants, which came to dominate terrestrial vegetation. Numerous genera and species of trees and shrubs developed, including oak, maple, magnolia, cypress, and pine.
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Cretaceous period
Quaternary period