Dinosauromorpha
Videos
Dinosauromorpha is a clade of avemetatarsalians that includes the Dinosauria and some of their close relatives. It was originally defined to include dinosauriforms and lagerpetids, with later formulat
Dracohors
Marasuchus
Diodorus restoration
Dinosaur
Videos
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
Dinosauromorpha
…Dinosauromorpha is a clade of avemetatarsalians (archosaurs closer to birds than to crocodilians) that includes the Dinosauria (dinosaurs) and some of their close relatives. It was originally defined to include dinosauriforms and lagerpetids, with later formulations specifically…
Sinosauropteryxfossil
Brontosaurus excelsus remount in the Peabody Museum
Natural History Museum, London Stegosaurus
Tyrannosaurus Rex Holotype