How did the evolution of lighter and more hollow bones in some Triassic theropods contribute to their agility?

Jul 10, 2018 ... iant dinosaurs lived on Earth much earlier than previously thought, according to a team of excavators in Argentina who discovered the ... Dec 24, 2023 ... And plus for some time my favourite dinosaurs were Herrerasaurus and Staurikosaurus, two relatively popular theropods from the period. Feb 23, 2023 ... Dinosaurs were alive in the Cretaceous, Jurassic, and Triassic Periods, which together comprise the Mesozoic Era. Except for relatively ... The first dinosaurs, prosauropods, early ornithopods, small predators like Eoraptor and Herrerasaurus appeared. · The mammal-like reptiles were declining. · 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. 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 ... 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 ... 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 ... When dinosaurs first became numerous in the late Triassic Period, nearly all of the major groups of vascular plants except the angiosperms were in existence. Jan 7, 2021 ... They lived on Earth in the Mesozoic era, specifically from the late Triassic to the end of the Cretaceous period, a time-span of about 170 ...