triassic
Posted Dec 30, 2020, 11:48 am
Mitchell Zimmerman
/Cronkite News
A team of researchers at Petrified Forest National Park discovered fossilized remains of a new species of prehistoric reptile. The 220-million-year old burrowing species, named Skybalonyx skapteris, is a drepanosaur, an ancient reptile that had a claw on its tail and a birdlike beak.... Read more»
Posted May 13, 2019, 3:21 pm
Peter Gong
/Cronkite News
A tiny fossil find in northern Arizona fills shows frogs hopped (or not hopped) straight through a mass extinction.... Read more»
Posted Feb 19, 2010, 1:30 pm
Judy Carlock
/TucsonSentinel.com
One chilly morning in the wilds of eastern Arizona a Tucson dinosaur hunter followed a twinkling trail and found a fountainhead of fossils. Stan Krzyzanowski even has a dinosaur named after him.... Read more»