Open Directory - Science: Earth Sciences: Paleontology: By Geological Interval

See also:

UCMP Web Time Machine - A geologic timescale from the UC Berkeley Museum of Paleontology.

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Last update: Thursday, August 21, 2008 8:06:39 PM EDT - edit

Open Directory - Science: Earth Sciences: Paleontology: By Geological Interval: Mesozoic

See also:

Paleobiology: The Mesozoic - Article about the age of cycads and dinosaurs covering the Triassic, Jurassic, Cretaceous and the great Cretaceous mass extinction.
The Mesozoic Era - An overview of the era from the UC Berkeley Museum of Paleontology.

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Last update: Sunday, June 7, 2009 4:10:48 PM EDT - edit