Evolution of birds
Videos
The evolution of birds began in the Jurassic Period, with the earliest birds derived from a clade of theropod dinosaurs named Paraves. Birds are categorized as a biological class, Aves. For more than
Archaeopteryx, a basal member of Avialae
Ludiortyx, a fossil bird genus of the Cenozoic
The mounted skeleton of a Velociraptor, showing the very bird-like quality of the smaller theropod dinosaurs
Reconstruction of Iberomesornis romerali, a toothed enantiornithine
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
Evolution of birds
…The evolution of birds began in the Jurassic Period, with the earliest birds derived from a clade of theropod dinosaurs named Paraves. Birds are categorized as a biological class, Aves. For more than a century, the small theropod dinosaur Archaeopteryx lithographica from…
Sinosauropteryxfossil
Brontosaurus excelsus remount in the Peabody Museum
Natural History Museum, London Stegosaurus
Tyrannosaurus Rex Holotype