The dotted brown snake is a genus of the Colubridae family of snakes. It is monotypic in the genus Sordellina. It is endemic to Brazil.
Atractus albuquerquei, commonly known as the Albuquerque ground snake, is a species of small burrowing snake in the family Colubridae. The species is endemic to South America.
Echinanthera cephalomaculata is a species of snake in the family Colubridae. The holotype measured 561 mm (22.1 in).
Amaral's ground snake is a species of snake in the family Colubridae. The species is endemic to Brazil.
Coronelaps is a genus of snake in the family Colubridae that contains the sole species Coronelaps lepidus. It is also known as the Minas Gerais snake or crowned burrowing snake.
Hensel's snake is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is endemic to southern Brazil, and it is monotypic in the genus Ditaxodon.
The fanged water snake is a genus of snake in the family Colubridae.
Atractus trihedrurus is a species of snake in the family Colubridae. In English the species goes by the common name southern ground snake.
Apostolepis cearensis, the Caatinga blackhead or Gomes's burrowing snake, is a species of snake in the family Colubridae. It is endemic to Brazil.
Apostolepis flavotorquata, the Cerrado blackhead or central burrowing snake, is a species of snake in the family Colubridae. It is endemic to Brazil.
Apostolepis gaboi, also known commonly as the sand dunes blackhead and the cobra-rainha das dunas in Brazilian Portuguese, is a species of snake in the family Colubridae. The species is endemic to Brazil.
Apostolepis longicaudata, the Piauí blackhead or longhead burrowing snake, is a species of snake in the family Colubridae. It is endemic to Brazil.
Atractus alphonsehogei, also known commonly as Alphonse's ground snake, is a species of snake in the family Colubridae. The species is endemic to Brazil.
Atractus maculatus, the spotted ground snake, is a species of snake in the family Colubridae. The species can be found in Brazil.
Atractus potschi is a species of snake in the family Colubridae. The species can be found in Brazil.
Amnisiophis amoenus is a species of snake of the family Colubridae.
Echinanthera cyanopleura is a species of snake of the family Colubridae. The species is found in Brazil and Argentina.
Echinanthera melanostigma is a species of snake of the family Colubridae. The species is found in Brazil.
Echinanthera undulata is a species of snake of the family Colubridae. The species is found in Brazil, Ecuador, and Colombia.
Chironius bicarinatus, the two-headed sipo, is a species of snake in the family Colubridae. The species is found in Brazil, Argentina, Uruguay, and Paraguay.
