
Cenozoic - Wikipedia
It is characterized by the dominance of mammals, insects, birds and angiosperms (flowering plants). It is the latest of three geological eras of the Phanerozoic Eon, preceded by the …
Cenozoic Era | Definition, Events, & Facts | Britannica
The Cenozoic Era is generally divided into three periods: the Paleogene (66 million to 23 million years ago), the Neogene (23 million to 2.6 million years ago), and the Quaternary (2.6 million …
Cenozoic | U.S. Geological Survey - USGS.gov
During this era, plants and animals look most like those on Earth today. Periods of the Cenozoic Era are split into even smaller parts known as Epochs, so you will see even more signposts in …
Cenozoic Era - U.S. National Park Service
Jul 9, 2024 · The Cenozoic Era is the "Age of Mammals." North America’s characteristic landscapes began to develop during the Cenozoic. Birds and mammals rose in prominence …
The Cenozoic Era
The Cenozoic spans only about 65 million years, from the end of the Cretaceous Period and the extinction of non-avian dinosaurs to the present. The Cenozoic is sometimes called the Age of …
Cenozoic - New World Encyclopedia
The Cenozoic (from the Greek kainos meaning "new" and zoe meaning "life") era is an interval of about 65 million years defined on the geologic timescale as spanning roughly from 65 million …
Cenozoic Era (66 million years ago – Present)
The Cenozoic Era is the current geological era, spanning from 66 million years ago to the present day. It is also known as the “Age of Mammals” due to the diversification and dominance of …
Cenozoic - Wikiwand
The Cenozoic is divided into three periods: the Paleogene, Neogene, and Quaternary; and seven epochs: the Paleocene, Eocene, Oligocene, Miocene, Pliocene, Pleistocene, and Holocene.
What Happened During the Cenozoic Era? - Biology Insights
Aug 17, 2025 · The Cenozoic Era commenced approximately 66 million years ago and continues into the present day. This era is divided into three distinct periods: the Paleogene, Neogene, …
Cenozoic Era | Research Starters - EBSCO
The Cenozoic Era, which began approximately 66.4 million years ago and continues to the present, marks a significant period in Earth's geological and environmental history. It is …