Geological Timescale for the Last 545 Million Years

Richard E. Young, Michael Vecchione, and Katharina M. Mangold (1922-2003)

Cephalopoda Glossary

ERA PERIOD When Period began
(millions of years ago)
Cenozoic Quaternary 1.8
Neogene 23.8
Paleogene 65.0
Mesozoic Cretaceous 142
Jurassic 205.7
Triassic 248.2
Paleozoic Permian 290
Carboniferous 354
Devonian 417
Silurian 443
Ordovician 495
Cambrian 545

Recent - The last 10,000 years in the geological timescale, also known as the Holocene Epoch, the most recent time-segment in the Quaternary Period. A Recent species is one existing today or, at least, sometime within the last 10,000 years.

About This Page

University of Hawaii, Honolulu, HI, USA

National Museum of Natural History, Washington, D. C. , USA

Katharina M. Mangold (1922-2003)
Laboratoire Arago, Banyuls-Sur-Mer, France

Page: Tree of Life Geological Timescale for the Last 545 Million Years Authored by Richard E. Young, Michael Vecchione, and Katharina M. Mangold (1922-2003). The TEXT of this page is licensed under the Creative Commons Attribution-NonCommercial License - Version 3.0. Note that images and other media featured on this page are each governed by their own license, and they may or may not be available for reuse. Click on an image or a media link to access the media data window, which provides the relevant licensing information. For the general terms and conditions of ToL material reuse and redistribution, please see the Tree of Life Copyright Policies.

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