Introduction
Planetary time scale / Kenneth L. Tanaka and William K. Hartmann
Precambrian / Martin J. Van Kranendonk, James Gehling, and Graham Shields
Cambrian period / Shanchi Peng and Loren Babcock
Ordovician period
Silurian period
Devonian period
Carboniferous period / Philip H. Heckel
Permian period
Triassic period
Jurassic period
Cretaceous period
Paleogene period
Neogene period
Quaternary period / Philip Gibbard, Kim Cohen, and James Ogg.
The concise geologic time scale by James G. Ogg. ISBN 9780521898492. Published by Cambridge University Press in 2008. Publication and catalogue information, links to buy online and reader comments.