Common Fossils in Oklahoma

Fossils are evidence of plants and animals that lived in past geologic times and are preserved today In stone. The ancient shallow seas that once covered much of Oklahoma teemed with animal life. Many of these marine organisms are preserved as fossils in the sedimentary rocks (rocks formed from the sediments of oceans and rivers) of Oklahoma. Some of the general forms are illustrated below. Oklahoma Common Fossils - Brachiopods, Crinoids, Ferns, Horn Coral, Bryzoan, Snail Shells