Map showing the geographic distribution records and extent of occurrence of the lizards in the Caatinga region: Acratosaura mentalis, Acratosaura spinosa, Anotosaura collaris, Anotosaura vanzolinia, Calyptommatus confusionibus, Calyptommatus leiolepis, Calyptommatus frontalis, Calyptommatus nicterus, Calyptommatus sinebrachiatus, Calyptommatus sp. 1, Calyptommatus sp. 2, Cercosaura olivacea. 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.