Tarchia
| Tarchia Temporal range: Late Cretaceous,  | |
|---|---|
| A cast of specimen PIN 3142/250, the holotype of T. teresae. | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Clade: | Dinosauria | 
| Clade: | †Ornithischia | 
| Clade: | †Thyreophora | 
| Clade: | †Ankylosauria | 
| Family: | †Ankylosauridae | 
| Subfamily: | †Ankylosaurinae | 
| Genus: | †Tarchia Maryanska, 1977 | 
| Type species | |
| †Tarchia kielanae Maryanska, 1977 | |
| Other species | |
| 
 | |
| Synonyms | |
| 
 | |
Tarchia (meaning "brainy one") is a genus of herbivorous ankylosaurid dinosaur from the late Cretaceous of Mongolia.