|Named By:||Gideon Mantell in 1828|
|Time Period:||Early Cretaceous|
|Size:||In the past estimated about 4 meters long, but given the severe lack of fossils this is highly speculative|
|Fossil(s):||Partial right mandible (lower jaw)|
|Classification:||| Chordata | Reptilia | Dinosauria | Ornithischia | Thyreophora | Stegosauria | Huayangosauridae ||
Regnosaurus (meaning "Sussex lizard") is a genus of herbivorous stegosaurian dinosaur that lived during the Early Cretaceous Period in what is now England.