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Created page with "== Introduction == The Cenozoic Era, also known as the Age of Mammals, is the current geological era, spanning from 66 million years ago to the present day. This era is characterized by the dominance of mammals on land and the significant evolutionary changes they underwent during this period. == Paleogene Period == The Cenozoic Era begins with the Paleogene Period (66 to 23 million years ago), which is further divided into three epochs: the Paleocene, Eocen..."
