Phimophis guerini (Duméril, Bibron and Duméril, 1854) (Figs. 17.7 and 30.3) Recorded in the states of Piauí and Bahia. It can be found on low and high altitudes (sea level to 830 m elevation). It is widespread in the Cerrado, Pampas, and Pantanal (Marques et al. 2005; Bérnils et al. 2008; Nogueira et al. 2010), occurring in open habitats such as grasslands and savannas (Nogueira et al. 2011). Probably associated with latosoil areas (CN pers. obs.) with caatinga and cerrado vegetation cover inside Caatinga. It has fossorial habits, is nocturnal, and feeds on lizards and mammals (Marques et al. 2005).

Published as part of Guedes, Thaís B., Nogueira, Cristiano & Marques, Otavio A. V., 2014, Diversity, natural history, and geographic distribution of snakes in the Caatinga, Northeastern Brazil, pp. 1-93 in Zootaxa 3863 (1) on page 47, DOI: 10.11646/zootaxa.3863.1.1, http://zenodo.org/record/287111