Regnosaurus was a huayangosaurid stegosaurid
dinosaur from Early Cretaceous England. Its jaws were very similar to Huayangosaurus. People thought that this was an iguanodontid, scelidosaurid, stegosaurid, Hylaeosaurus synonym and sauropod. It was found to have been a true genus of stegosaurids in 1993. The species was one of the Last stegosaurids that lived on the Word.