Einiosaurus
| Einiosaurus Temporal range: Upper Cretaceous,  | |
|---|---|
| Reconstructed skull, Natural History Museum of Los Angeles County | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Clade: | Dinosauria | 
| Clade: | †Ornithischia | 
| Clade: | †Ceratopsia | 
| Family: | †Ceratopsidae | 
| Subfamily: | †Centrosaurinae | 
| Tribe: | †Pachyrhinosaurini | 
| Genus: | †Einiosaurus Sampson, 1995 | 
| Species: | †E. procurvicornis | 
| Binomial name | |
| †Einiosaurus procurvicornis Sampson, 1995 | |
Einiosaurus is a genus of herbivorous centrosaurine ceratopsian dinosaur from the Upper Cretaceous (Campanian stage) of northwestern Montana. The name means 'bison lizard', in a combination of Blackfeet Indian eini and Latinized Ancient Greek sauros; the specific name (procurvicornis) means 'with a forward-curving horn' in Latin. Einiosaurus is medium-sized with an estimated body length at 4.5 metres (15 ft).