Lizards recorded in the Caatinga region. 6.1 Micrablepharus maximiliani; 6.2 Nothobachia ablephara; 6.3 Procellosaurinus erythrocercus; 6.4 Procellosaurinus tetradactylus; 6.5 Psilops mucugensis; 6.6 Psilops paeminosus; 6.7 Scriptosaura catimbau, and 6.8 Stenolepis ridleyi. Photograph credits: Mauro Teixeira (6.2, 6.4, 6.6), Marco A. Freitas (6.8), Adrian Garda (6.1, 6.3, 6.5, 6.7).