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Era

Cenozoic

see-nuh-ZOH-ik
Also Known As Age of Mammals
Phanerozoic

The current era, opening the moment the Chicxulub impact ended the Mesozoic, and holding the Pleistocene and Holocene epochs among others; the age of mammals, including us. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/

Facts
Rank
Era 1
Start (Million Years Ago)
66 1
Marked by the Cretaceous-Paleogene boundary per the cited article.
End (Million Years Ago)
0 2
The Cenozoic is the current, ongoing era; 0 Mya marks the present day, the standard geologic timescale convention for an open upper boundary.
Key Event
The rise of mammals into the ecological space the non-avian dinosaurs left empty, continuing to the present day. 1
Connections

Anticipated By

Mesozoic, Eras

Has Geologic Rank

Geologic Era, Concepts

In Discipline

Geochronology, Disciplines
Source Geologic Time Scale (Wikipedia)
Sources
1. Geologic Time Scale (Wikipedia)
Wikimedia FoundationView the Source
2. Cenozoic (Wikipedia)
Wikimedia Foundation
  • Introduction
    The Cenozoic is commonly known as the Age of Mammals because the terrestrial animals that dominated both hemispheres were mammals
  • Lead section
    is Earth's current geological era, representing the last 66 million years of Earth's history
View the Source
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