Sulcusuchus
| Sulcusuchus | |
|---|---|
| Life restoration | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Superorder: | †Sauropterygia | 
| Order: | †Plesiosauria | 
| Family: | †Polycotylidae | 
| Genus: | †Sulcusuchus Gasparini & Spalletti 1990 | 
| Species: | †S. erraini | 
| Binomial name | |
| †Sulcusuchus erraini Gasparini & Spalletti 1990 | |
Sulcusuchus is a genus of polycotylid plesiosaur from the Late Campanian to Early Maastrichtian of Argentina.