How did the shape and size of the pisiform (a small wrist bone) in Triassic dinosaurs relate to their wrist flexibility?

Jan 23, 2025 ... The Triassic Period creature Nyasasaurus, considered either an early dinosaur ... dinosaurs were living," Heath said. The researchers said ... Mar 18, 2015 ... ... Triassic Period. In the Southern Hemisphere, “these animals hunted alongside the earliest theropod dinosaurs, creating a predator pile-up ... Tyrannosaurus rex lived during the Late Cretaceous Period, about 72 million years ago. Stegosaurus was extinct for 66 million years before Tyrannosaurus walked ... They first emerged during the Triassic period around 245 million years ago. ... Around 80 per cent of crocodilian species were wiped out in the extinction event ... Feb 24, 1997 ... The fossil record reveals that dinosaurs first appeared in the Triassic Period, between 250 to 213 million years ago. It also indicates that ... Oct 16, 2024 ... ... Triassic Period, their common ancestors were the Archosaurs, from which emerged the most famous group of reptiles ever to exist – the dinosaurs. ... lived, separated into the three distinct periods of the Age of Dinosaurs: Triassic, Jurassic, and Cretaceous. And museum scientists make good use of the ... The Triassic period is a part of the geologic timescale where the precursors to dinosaurs (a type of crocodile-like reptiles called archosaurs) were the ... Dr. Schachner explains a possible reason why dinosaurs were not only able to survive, but to thrive during the Triassic period more than 200 million years ago. paleontology, fossil record, mass extinction, volcanism, dinosaur evolution, Triassic period. Key Concepts. Life during the Triassic; Extinction at the end of ...