Epicrates crassus Cope, 1862

Typelocality. Río Paraná,Gardosa, Paraguay.Not located.

Distribution. Known from Argentina, Bolivia, Brazil, and Paraguay, mainly in the central portion of the South American open diagonal (Plt. 45A). Widespread in the Cerrado, with marginal records in the Atlantic Forest, Chiquitano Dry Forest, and Amazonia (Plt. 45A), mostly at intermediate to high elevations (Plt. 45B). Previous maps and taxonomy in Passos and Fernandes (2008). Observed in the field in open areas, including grassland, savanna, and disturbed areas (Sawaya et al., 2008, Recoder et al., 2011; Valdujo et al., 2009).