Nemegtosauridae
| Nemegtosaurids Temporal range:  Late Cretaceous,  Possible Early Cretaceous record | |
|---|---|
| Cast of the skull of Nemegtosaurus, on a mounted Opisthocoelicaudia skeleton, Museum of Evolution of Polish Academy of Sciences, Warsaw | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Clade: | Dinosauria | 
| Clade: | Saurischia | 
| Clade: | †Sauropodomorpha | 
| Clade: | †Sauropoda | 
| Clade: | †Macronaria | 
| Clade: | †Titanosauria | 
| Clade: | †Eutitanosauria | 
| Superfamily: | †Saltasauroidea | 
| Family: | †Nemegtosauridae Upchurch, 1995 | 
| Genera | |
Nemegtosauridae is a family of titanosaurian sauropod dinosaurs based on their diplodocid-like skulls. Only three species are known: Nemegtosaurus, Quaesitosaurus and possibly Tapuiasaurus, each from the Cretaceous.