What are some key fossil sites for Triassic dinosaur discoveries in North America?

Aug 10, 2022 ... Dinosaurs are often thought of as heat-loving. They were well suited to the steamy greenhouse environment of the Triassic Period. The secret ... We tend to think of dinosaurs as living in tropical rainforests, and for good reason — the Triassic and Jurassic periods in which they came to rule the ... Dec 5, 2018 ... It was during the Triassic Period that the first dinosaurs began to appear. They were mainly small, nimble animals that walked on two legs. Aug 17, 2024 ... Palaeontologists think the footprints, which are up to 75cm (30in) apart, were made by a huge herbivore from the late Triassic period, and now ... A specialized group of archosaurs, called dinosaurs, first appeared in the Late Triassic but did not become dominant until the succeeding Jurassic Period. At the beginning of dinosaur history (the Triassic Period), there was one supercontinent on Earth called Pangea. Many dinosaur types were spread across it. Among the first dinosaurs was the two-footed carnivore Coelophysis, which grew up to 9 feet (2.7 meters) tall, weighed up to a hundred pounds (45 kilograms), ... Aug 12, 2014 ... In comparison, the dinosaur record in North America is a bit muddier. The most abundant fossils from the Late Triassic period have been ... Jul 10, 2018 ... Giant dinosaurs lived on Earth much earlier than previously thought, according to a team of excavators in Argentina who discovered the ... The early Triassic was dominated by mammal-like reptiles such as Lystrosaurus. © Nobu Tamura/Wikimedia Commons. Read more. The Triassic Period ( ...