Thamnodynastes sp. (Thamnodynastes sp. 2, sensu Franco & Ferreira 2002) “Jararaquinha” (Figs. 19.8 and 32.2) Caatinga endemic species. It is the most abundant of the genus and it is distributed in all portions of the Caatinga. There are records from sea level to the Diamantina Plateau (ca. 1,000 m elevation). It can be found in all types of caatinga vegetation, and also in cerrado and forest enclaves within the Caatinga. It has terrestrial habits, is nocturnal and feeds on frogs (Vanzolini et al. 1980; Guedes 2006).

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 53, DOI: 10.11646/zootaxa.3863.1.1, http://zenodo.org/record/287111