Velociraptors were only about the size of a large chicken. elaborate
Saurolophus had a prominent, upward-curving crest on its head, the purpose of which is still debated by paleontologists. elaborate
Styracosaurus had a large bony frill and up to six long horns on its face, but its horns were not directly attached to the frill itself. elaborate
Patagotitan mayorum, one of the largest known dinosaurs, was so big that its femur (thigh bone) was taller than a grown human. elaborate
Diplodocus had a whip-like tail that it likely used as a sonic boom weapon, cracking it to create loud noises to deter predators or communicate with others. elaborate