OKLAHOMA GEOLOGY AND PALEONTOLOGY

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INTERESTING PALEONTOLOGY FACTS:

- The largest trilobite fossils west of the Mississippi are found in Oklahoma

- One of the largest stumps of the worlds oldest tree (Archaeopteris) is on display at East Central university in Ada. Petrified remains of Archaeopteris are found in the Woodford formation near Ada.

- Asphalt impregnated limestone in Murray County contains some of the worlds oldest fossils that retain their original shell material and iridescence.

- Dinosaur bones from Apatosaurus, Barosaurus, Camptosaurus, Diplodocus, Saurophaganax, and Stegosaurus have been found in Black Mesa in Cimarron County.

- Dinosaur footprints can be seen preserved in sandstone just north of Kenton in Cimarron County.

- One of the largest of all Early Cretaceous carnivorous dinosaurs Acrocanthosaurus-Atokensis ("high spined lizard from Atoka") have been found in the Antlers Formation in Atoka County and near Eagletown in McCurtain County.

- Bones of the raptor dinosaur Deinonychus as well as it's prey Tenontosaurus have been found in Atoka County.

- A fossil bed consisiting of almost entirely ammonites, some as large as 2 feet in diameter, can be found around parts of Lake Texoma. These fossils can be found in the lower part of the Duck Creek Member of the Caddo Formation.

- During the Miocene, Oklahoma was home to rhino's, camels, ancient elephants, and saber toothed cats.

Source: Oklahoma Geological Survey

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