Underwoodisaurus
| Underwoodisaurus | |
|---|---|
| Thick-tailed gecko (Underwoodisaurus milii) | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Order: | Squamata | 
| Infraorder: | Gekkota | 
| Family: | Carphodactylidae | 
| Genus: | Underwoodisaurus Wermuth, 1965 | 
| Species | |
| Two recognized species, see text. | |
Underwoodisaurus is a small genus of Australian lizards in the family Carphodactylidae. Member species are commonly known as thick-tailed geckos, along with the species Uvidicolus sphyrurus.