Dinosaurs are a diverse group of warmblooded reptiles of the clade Dinosauria. They existed through most of the Mesozoic era, first appearing early in the Triassic period. They became the dominant ter
Sinosauropteryxfossil
Brontosaurus excelsus remount in the Peabody Museum
Natural History Museum, London Stegosaurus
Tyrannosaurus Rex Holotype
Theropoda is one of the three major clades of dinosaurs, alongside Ornithischia and Sauropodomorpha. Theropods, both extant and extinct, are characterized by hollow bones and three toes and claws on e
Dinosaur
…continued throughout the Jurassic and Cretaceous periods. The fossil record shows that birds are feathered dinosaurs, having evolved from earlier theropods during the Late Jurassic epoch, and are the only dinosaur lineage known to have survived the Cretaceous–Paleogene extinction event approximately 66…
Carnotaurus skeleton in Bonn White Background
Coelophysis white background
Stan T. rex in Oslo white background
Irritator challengeri mount 01 white background