What are some examples of Triassic dinosaurs that show evidence of adaptations for burrowing or digging?

Mar 28, 2018 ... The earliest mammals entered the scene, and reptiles — including early dinosaurs — lived on Pangea, the name given to the giant landmass in ... Tyrannosaurus rex lived during the Late Cretaceous Period, about 72 million years ago. Stegosaurus was extinct for 66 million years before Tyrannosaurus walked ... Sep 21, 2022 ... ... dinosaurs were in fact lizard-hipped. The results are reported ... Dinosaurs originated in the Late Triassic period, about 225 million ... 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. The northern forests at the beginning of the Triassic were ... See this National Park Service pdf on the Triassic dinosaurs and other animals of Petrified Forest ... May 17, 2001 ... Dinosaur communities were separated by both time and geography. ... At the beginning of dinosaur history (the Triassic Period), there was one ... Jun 16, 2015 ... Dinosaurs remained rare among the fossils from Ghost Ranch, accounting for less than 15% of vertebrate animal remains. They were outnumbered in ... Texas has hardly any exposed Jurassic rocks and therefore no dinosaurs from that period. Late Triassic. Jurassic. Early Cretaceous. Late Cretaceous. BATCH ONE. Dec 16, 2022 ... ... Triassic they were ... However, their origins were much humbler and date back to the Triassic period, with the first definitive dinosaurs ... types at the close of the Triassic period were about as shown in Table 1. ... dinosaurs. Certainly the vertebrate life of the Triassic marshes and uplands ...