Tantilla is a large genus of harmless New World snakes in the family Colubridae. The genus includes 66 species, which are commonly known as centipede snakes, black-headed snakes, and flathead snakes.
The pine woods snake, also commonly known as the yellow-lipped snake or the brown-headed snake, is a species of secretive colubrid found in scattered locations across the south-eastern United States. Rhadinaea flavilata is rear-fanged and mildly-venomous, but not dangerous to humans.
The military ground snake is a species of snake in the family Colubridae. The species is endemic to South America.
Dipsas is a genus of nonvenomous New World snakes in the subfamily Dipsadinae of the family Colubridae. The genus Sibynomorphus has been moved here. Species of the genus Dipsas are known as snail-eaters.
Mastigodryas is a genus of colubrid snakes. Like some other colubrids, they are commonly called racers. It is a Neotropical genus, with members distributed from Mexico to Argentina and several islands in the Caribbean. Some authorities use the older generic name, Dryadophis, for these species.
Rhadinaea is a genus of snakes of the family Colubridae.
Psomophis is a genus of snakes in the family Colubridae. The genus is endemic to South America.
Drymoluber is a genus of New World snakes of the family Colubridae.
Amaral's ground snake is a species of snake in the family Colubridae. The species is endemic to Brazil.
Ihering's snake is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is endemic to Brazil. It is the only species in the monotypic genus Lioheterophis.
Dryophylax almae is a species of snake in the family Colubridae. The species 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.
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 guentheri, also known commonly as Günther's ground snake and coral-falsa in Brazilian Portuguese, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is endemic to Brazil.
Clelia hussami is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is native to the South Region of Brazil, where it is found in the forests and savannas in the Brazilian states of Paraná, Rio Grande do Sul, and Santa Catarina.
Erythrolamprus festae, also known commonly as the drab ground snake, is a species of snake in the family Colubridae. The species is native to northwestern South America.
Rhadinella godmani, also known commonly as Godman's graceful brown snake, and as la culebra-café de Godman and la lagartijerita de Godman in American Spanish, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is native to Central America and southern Mexico. There are two recognized subspecies.
Rhadinella hannsteini, also known commonly as Hannstein's spot-lipped snake and la culebra café labios manchados in Spanish, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is native to Central America.
Rhadinella hempsteadae, also known commonly as Hempstead's pine woods snake, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is endemic to Guatemala.
Xenodon dorbignyi, the South American hognose snake, is a species of snake in the family Colubridae. The species is native to southern South America. There are four recognized subspecies.
