Taxonomy: families

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Lizards (Sauria)    Genera Anisolepis South American Tree Iguanas Diplolaemus Patagonian Iguanas Enyalius Fat-headed Anoles Leiosaurus Typical Smooth Iguanas Pristidactylus Copper Iguanas Urostrophus Steppe Iguanas

Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk). Latest update: January 1st, 2025. Biodiversity of the family Leiosauridae Bibliography of the family Leiosauridae Leiosauridae Smooth Iguanas Seidenleguane*     Silkeleguaner* Contents: Endemicity: 6 genera of which 2 (33.3%) are endemic   0% 100% 36 species of which 29 (80.6%) are endemic   0% 100% Remarks: The genera contained in this family were previously included in the family Iguanidae (e.g., Peters & Donoso-Barros 1970). Separate family status was given by Frost & Etheridge (1989) as Polychridae, in which family they also included the genera later assigned to Dactyloidae and Leiosauridae. Subsequently, the family name was corrected by Frost, Etheridge, Janies & Titus (2001) to Polychrotidae, and they named a new family, Leiosauridae, for the genera now assigned to this family. Distribution:  South America. Reported from: Argentina, Bolivia, Brazil, Chile, Paraguay, Uruguay.