"Hypsiglena"@en . . "Hypsiglena torquata distribution.svg"@en . . "Animalia"@en . "Hypsiglena"@en . "240"^^ . . "Texas Night Snake"@en . "Colubridae"@en . "Hypsiglena is a genus of small, rear-fanged, colubrid snakes commonly referred to as night snakes. The genus consists of two distinct species, many subspecies may be considered synonymous depending on the source."@en . . . "Hypsiglena is a genus of small, rear-fanged, colubrid snakes commonly referred to as night snakes. The genus consists of two distinct species, many subspecies may be considered synonymous depending on the source."@en . . . . . "Hypsiglena torquata jani"@en . . . "Cope, 1860"@en . . "Hypsiglena"@en .