Atractus spinalis Passos et al., 2013
Type locality. Alto do Palácio, Parque Nacional da Serra do Cipó, Morro do Pilar, state of Minas Gerais, Brazil .
Distribution. Endemic to Brazil (Plt. 181A), restricted to southeastern Cerrado (Plt. 181A) at high elevations (Plt. 181B). Observed in the field in rocky grassland (Passos et al., 2013).