FIGURE 13 in Diversity, natural history, and geographic distribution of snakes in the Caatinga, Northeastern Brazil

FIGURE 13. Snakes recorded in the Caatinga region. Photos with * were obtained from specimens collected and photographed in the Caatinga region. 13.1. Tantilla marcovani*, photo by Gentil Filho; 13.2. Tantilla melanocephala, photo by Ivan Sazima; 13.3; Apostolepis ammodites; 13.4. Apostolepis arenaria*, photo by Miguel Rodrigues; 13.5. Apostolepis assimilis; 13.6. Apostolepis cearensis*; 13.7. Apostolepis aff. pymi*, photo by Daniel Loebmann; 13.8. Apostolepis gaboi*, photo by Miguel Rodrigues.