Dinosaur
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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
The Cretaceous–Paleogene extinction event, formerly known as the Cretaceous–Tertiary extinction event, was a major mass extinction of three-quarters of the plant and animal species on Earth which occu
Dinosaur
…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 mya. Dinosaurs can therefore be divided into avian dinosaurs—birds—and the extinct non-avian dinosaurs, which are all dinosaurs other…
Discoscaphites iris, an ammonite from the Owl Creek Formation (Upper Cretaceous), in Owl Creek near Ripley, Mississippi
Rudist bivalves from the Late Cretaceous of the Omani Mountains, United Arab Emirates. Scale bar is 10 mm.
Hell Creek Formation