Fall 2013: Highway Interchange Bridge Work
Painted Desert Traffic Interchange (I-40 Exit 311) may be closed for construction. Check here for updates from Arizona Department of Transportation (ADOT): More »
Nov. 2012-July 2013, due to bank error credit cards may not have been charged for your entrance fee
...due to a bank error credit cards may not have been charged for your entrance fee, even if you received a receipt from the entrance station. The error was corrected on Sept. 26th, 2013. We apologize for any inconvenience this may have caused.
Xenacanthus is a genus of prehistoric sharks. The first species of the genus lived in the Late Devonian, the genus surviving until the end of the Triassic, over 200 million years ago. Fossils of various species have been found worldwide. The species identified at Petrified Forest National Park is X. moorei.
Did You Know?
Petrified Forest National Park has one of the most diverse collections of prehistoric pottery fragments in the Southwest.