Hesperonychus era un depredador ágil y activo

making it among the largest invertebrates of the Paleozoic

its anatomy has been crucial for reconstructing the group's phylogeny and exploring the adaptive functions of cranial domes

Tenía extremidades cortas y fuertes

Its skull had specialized features

Stegosaurus stenops Qianzhousaurus Hesperonychus era un depredador ágilStegosaurus 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,