| Microlophus arenarius | |
|---|---|
 | |
| Male | |
 | |
| Female | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Iguania |
| Family: | Tropiduridae |
| Genus: | Microlophus |
| Species: | M. arenarius |
| Binomial name | |
| Microlophus arenarius (Tschudi, 1845) | |
Microlophus arenarius is a species of South American lava lizard in the family Tropiduridae. The species is endemic to Peru.