SNOWFLAKE, AZ (AZFamily ... of retrieving slabs of rock that preserved chirotherium tracks. “These aren’t actually dinosaurs,” Lang said. “These are predinosaurs.

Arizona, spent more than five years uncovering slabs of rock across his property containing the preserved footprints of the chirotherium, an archosaur (giant lizard) that predates the dinosaurs ...

(AZFamily/Gray News)– Around 240 million years ago, groups of giant lizard-like animals that predated the dinosaurs walked across Arizona ... preserved chirotherium tracks – a Triassic ...