Polyonax
| Polyonax Temporal range: Late Cretaceous,
| |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Clade: | †Ceratopsia |
| Family: | †Ceratopsidae |
| Genus: | †Polyonax Cope, 1874 |
| Species: | †P. mortuarius
|
| Binomial name | |
| †Polyonax mortuarius Cope, 1874
| |
| Synonyms | |
| |
Polyonax (meaning "master over many") is a genus of ceratopsid dinosaur from the Late Cretaceous (late Maastrichtian) Denver Formation of Colorado, United States. Founded upon poor remains, it is today regarded as a dubious name.