Thililua
| Thililua Temporal range: Late Cretaceous,  | |
|---|---|
| Fossil in the National Museum of Nature and Science, Tokyo, Japan | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Superorder: | †Sauropterygia | 
| Order: | †Plesiosauria | 
| Family: | †Polycotylidae | 
| Genus: | †Thililua Bardet, Suberbiola & Jalil, 2003 | 
| Species: | †T. longicollis | 
| Binomial name | |
| †Thililua longicollis Bardet, Suberbiola & Jalil, 2003 | |
Thililua is a genus of polycotylid plesiosaur, containing one species, T. longicollis.