Stenocercus is a genus of South American lizards, commonly called whorltail iguanas, of the family Tropiduridae. This genus has 80 valid described species.
Geographic range
The greatest species richness is in Ecuador and Peru, but members of the genus Stenocercus are also found in Colombia, Brazil, Bolivia, Paraguay, Uruguay, and northern Argentina.
Species
The following 80 species are recognized, listed alphabetically by scientific name.