Cenozoic Era

Basic Facts

  • Meaning: “Recent Life”
  • Epoch: Paleogene (Paleocene, Eocene and Oligocene), Neogene, Quaternary.
  • Time Span: ~66 million years ago to present day.
  • Dominant Life Forms: Mammals, birds and humans.
  • Major Events: The Ice Age.
  • Total fossils catalogued: Millions of modern specimens as of 2026.