With the advent of the new "Jurassic World" movie, our producers started to wonder what Arizona looked like 65 million years ago. Turns out, we know very little about Arizona's dinosaur age. It was nearly wiped clean from the paleontological record. But why? In this episode of Valley 101, we dig up the answers to what kinds of dinosaurs lived here and why there's so few fossil records in our state. Learn more about your ad choices. Visit megaphone.fm/adchoices