Stephanosaurus
| Stephanosaurus Temporal range: Late Cretaceous, | |
|---|---|
 | |
| Humerus and skin impression assigned to Trachodon (Pteropelyx) marginatus | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Clade: | †Ornithopoda |
| Family: | †Hadrosauridae |
| Genus: | †Stephanosaurus Lambe, 1914 |
| Type species | |
| †Trachodon marginatus | |
| Synonyms | |
| |
Stephanosaurus is a dubious genus of hadrosaurid dinosaur with a complicated taxonomic history. It has also been known by the names Trachodon marginatus and Kritosaurus marginatus, and some material once assigned to it was later separated into the genus Lambeosaurus.