Map showing the geographic distribution records and extent of occurrence of the lizards in the Caatinga region: Colobosaura modesta, Colobosauroides carvalhoi, Colobosauroides cearensis, Dryadosaura nordestina, Heterodactylus septentrionalis, Leposoma baturitensis, Leposoma scincoides, Micrablepharus maximiliani, Nothobachia ablephara, Placosoma limaverdorum, Procellosaurinus erythrocercus, Procellosaurinus tetradactylus. 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.