Oneirosaurus
| Oneirosaurus Temporal range: Late Cretaceous,
| |
|---|---|
| Holotype skull in right (A) and left (B) lateral views | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Clade: | †Mosasauria |
| Family: | †Mosasauridae |
| Clade: | †Russellosaurina |
| Subfamily: | †Plioplatecarpinae |
| Genus: | †Oneirosaurus Páramo-Fonseca et al., 2025 |
| Species: | †O. caballeroi
|
| Binomial name | |
| †Oneirosaurus caballeroi Páramo-Fonseca et al., 2025
| |
Oneirosaurus (lit. 'dream lizard') is an extinct genus of plioplatecarpine mosasaurid known from the Late Cretaceous (Coniacian age) Galembo Formation of Colombia. The genus contains a single species, Oneirosaurus caballeroi, known from a well-preserved skull and mandible.