Parrassaurus
| Parrassaurus Temporal range:   | |
|---|---|
| Fossil in Museo de la Evolución, Puebla. | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Order: | †Ichthyosauria | 
| Family: | †Ophthalmosauridae | 
| Subfamily: | †Platypterygiinae | 
| Genus: | †Parrassaurus Barrientos-Lara and Alvarado-Ortega, 2021  | 
| Type species | |
| †Parrassaurus yacahuitztli Barrientos-Lara and Alvarado-Ortega, 2021  | |
Parrassaurus is an ophthalmosaurid ichthyosaur from the late Jurassic La Caja Formation of Mexico named in 2021. Parrassaurus includes one species, Parrassaurus yacahuitztli. The type specimen (CPC 307) was around 5 metres (16 ft) long.