Tenía extremidades cortas y fuertes

Archeopteryx lithographica is an emblematic species of evolution

Hesperonychus era un depredador ágil y activo

Its skull had specialized features

Stegosaurus stenops Qianzhousaurus Tenía extremidades cortas y fuertesStegosaurus stenops is one of the best known and most studied species of dinosaurs in the genus Stegosaurus, which lived during the Late Jurassic period, approximately 155 to 150 million years ago. Stegosaurus stenops fossils have been found primarily in North America, especially in the Morrison Formation, which encompasses parts of present day Colorado, Wyoming, and Utah. This herbivorous dinosaur is famous for its distinctive appearance,