The erg agama (Trapelus tournevillei), also commonly known as the Sahara agama, is a species of lizard in the family Agamidae.

The species is endemic to North Africa.

[1] The specific name, tournevillei, is in honor of French herpetologist Albert Tourneville.

[1] The natural habitat of T. tournevillei is hot deserts.

This lizard from family Agamidae article is a stub.