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Rare 89 million-year-old flying reptile fossil from Texas may be world's oldest Pteranodon
Date:3/1/2011

othed and toothless kinds discovered in the area, illustrating the evolutionary transition, noted Myers.

Besides the toothless specimen just identified by Myers, an older toothed pterosaur, Aetodactylus halli, previously was discovered in the Dallas area. Aetodactylus, also identified by Myers, lived 95 million years ago.

"This new specimen adds a lot more information about pterosaurs in North America," Myers said. "It helps constrain the timing of the transition from toothed to toothless because there's only a few million years separating this specimen and Aetodactylus."

Amateur fossil collector Gary Byrd of Rockwall, Texas, discovered the new SMU pterosaur fossils about 10 years ago.

A roofing contractor who keeps an eye out for fossils, Byrd made the find after stopping to look at two freshly excavated culverts while driving through a new subdivision in Collin County. Using a hammer and pick he dug out the bones and brought them to SMU paleontologists Louis Jacobs and Dale Winkler. Jacobs and Winkler indicated the fossils were likely a pterosaur. Byrd donated the fossils to SMU's Shuler Museum of Paleontology.

"I found a couple parts of a fish, and then when I saw these my initial thought was that they weren't fish," Byrd recalled. "I kind of knew it was something different a birdlike thing. It's very rare you find those thin, long bones."

This isn't the first time Byrd has hit it lucky finding fossils. In 1994 he discovered dinosaur bones that he donated to SMU's Shuler Museum. The specimen was identified as a rare primitive duck-billed dinosaur and named Protohadros byrdi after Byrd.


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Contact: Margaret Allen
mallen@smu.edu
214-768-7664
Southern Methodist University
Source:Eurekalert  

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