What evidence is there for the presence of a tympanic membrane (eardrum) in Triassic dinosaurs?

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 ... Aug 31, 2022 ... ... Triassic killed off many forms of life—but not dinosaurs ... Dinosaurs, many of which were primitively insulated with either ... Feb 23, 2024 ... The team needed to determine exactly when these sediments were deposited during the Triassic, a 51-million window marking the rise of dinosaurs. Jun 16, 2015 ... Climate and plant community instability may have hampered the success of dinosaurs in the tropics during the Late Triassic Period (235-201 ... Jul 1, 2022 ... ... Triassic, but also that dinosaurs were there to weather them. At a ... Triassic Period alongside dinosaur tracks. Locations of dinosaur ... Feb 22, 2018 ... The Triassic period took place immediately after one of the ... how dinosaurs were able to survive ... and take over the world.” The ... May 17, 2001 ... Dinosaur communities were separated by both time and geography. ... At the beginning of dinosaur history (the Triassic Period), there was one ... Tyrannosaurus rex lived during the Late Cretaceous Period, about 72 million years ago. Stegosaurus was extinct for 66 million years before Tyrannosaurus walked ... Sep 20, 2022 ... ... were big problems ... The Triassic Period (252 to 201 million years ago) kicked off the ... Jun 15, 2015 ... One of the missing links in our understanding of the Triassic Period – between 252 and 201m years ago – is why there were so few dinosaurs ...