Report A New Horned Dinosaur Reveals Convergent Evolution in Cranial Ornamentation in Ceratopsidae Graphical Abstract Highlights d A new horned dinosaur, Regaliceratops, is described based on a nearly complete skull d It exhibits large nasal and small postorbital horns, and large frill epiossifications d A derived chasmosaurine, the new animal shows centrosaurine-like display features d Evidence f