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