Dinosaur Fossils in San Diego County

It is rare to find dinosaur bones in San Diego County since California was under the ocean during the time that dinosaurs lived on land. Thus the only way to get a dinosaur in California's sedimentary rocks was to have a dinosaur's body washed out to sea in a flood event.

Bones have been found in four places in San Diego County:

All of these fossils are in the Point Loma Formation, 72-76 million years old, and are in the San Diego Museum of Natural History.

Sources: The Rise And Fall of San Diego, Patrick L. Abbott, 1999, pp. 52-54; SDUT 3/4/00, B9.

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Copyright © 2000 by Tom Chester.
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Updated 4 March 2000.