👉 Rhinopellosaurus, also known as a horned dinosaur, is a type of theropod dinosaur that lived during the Late Cretaceous period. It was one of the largest and most powerful dinosaurs ever to walk on land and is often considered the first true dinosaur. The term "rhinopolypus" refers to this dinosaur's distinctive features, which include its large horns on its head and neck, as well as a long, slender neck that allowed it to reach high