Northwest Tibetan Toad-headed Agama
Phrynocephalus erythrurus
- Least concern
- Card rarity: Common
- Reptiles

Sagus Kul lizard is a species of agamid lizard endemic to China. This species is adapted to extremely high altitudes and can be found at elevation of 4500-5300m.
Classification
- Class
- Reptilia
- Order
- Squamata
- Family
- Agamidae
- Genus
- Phrynocephalus