Micrurus frontalis (Duméril et al., 1854)

Type locality. Lagoa Santa, Minas Gerais, Brazil (Silva Jr. and Sites, 1999) .

Distribution. Known from Argentina, Brazil, and Paraguay, in the southern portion of the South American open diagonal (Plt. 95A). In Brazil, recorded in the Cerrado and the Atlantic Forest (Plt. 95A), mostly at intermediate to high elevations (Plt. 95B). Previous maps and taxonomy in Roze (1996), Silva Jr. and Sites (1999), Campbell and Lamar (2004), and Silva Jr. et al. (2016). Observed in the field in grassland, savanna, and forest (Sazima and Abe, 1991; Roze, 1996; Campbell and Lamar, 2004; Bérnils, 2009, Valdujo et al., 2009; Silva Jr. et al., 2016).