Map showing the geographic distribution records and extent of occurrence of the lizards in the Caatinga region: Tropidurus helenae, Tropidurus hispidus, Tropidurus jaguaribanus, Tropidurus montanus, Tropidurus mucujensis, Tropidurus oreadicus, Tropidurus pinima, Tropidurus psammonastes, Tropidurus semitaeniatus, Tropidurus sertanejo. Red circles represent data occurrence data produced in this study; Black circles represent data from literature. Ecorregions: 1: Brejos; 2: Complexo da Chapada Diamantina; 3: Complexo Ibiapaba – Araripe; 4: Depressão Sertaneja Meridional; 5: Depressão Sertaneja Setentrional; 6: Dunas do São Francisco; 7: Planalto da Borborema; 8: Raso Catarina and 9: São Francisco/Gurguéia.