Paleobiology: The Mesozoic - http://www.emc.maricopa.edu/faculty/farabee/biobk/BioBookPaleo5.html
Article about the age of cycads and dinosaurs covering the Triassic, Jurassic, Cretaceous and the great Cretaceous mass extinction. |
The Mesozoic Era - http://www.ucmp.berkeley.edu/mesozoic/mesozoic.html
An overview of the era from the UC Berkeley Museum of Paleontology. |