Pseudalsophis

Pseudalsophis is a genus of snakes in the family Colubridae. The genus is endemic to South America. Out of the ten species, nine are endemic to the Galapagos Islands.

Geographic range
Species in the genus Pseudalsophis are found in Ecuador (particularly the Galápagos), Chile and Peru.

Species
Ten species are recognized as being valid.
 * Pseudalsophis biserialis (Günther, 1860) – Galápagos racer
 * Pseudalsophis darwini (Zaher, Yánez-Muñoz, Rodrigues, Graboski, Machado, Altamirano-Benavides, Bonatto, & Grazziotin, 2018) – Darwin's racer
 * Pseudalsophis dorsalis (Steindachner, 1876) – Central Galapagos racer
 * Pseudalsophis elegans (Tschudi, 1845)
 * Pseudalsophis hephaestus (Zaher et al, Yánez-Muñoz, Rodrigues, Graboski, Machado, Altamirano-Benavides, Bonatto, & Grazziotin, 2018) – Santiago racer
 * Pseudalsophis hoodensis (Van Denburgh, 1912) – Espanola racer
 * Pseudalsophis occidentalis (Van Denburgh, 1912) – Western Galapagos racer
 * Pseudalsophis slevini (Van Denburgh, 1912) – Banded Galápagos snake
 * Pseudalsophis steindachneri (Van Denburgh, 1912) – Striped Galápagos snake
 * Pseudalsophis thomasi (Zaher et al., 2018) – Thomas's racer

Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Pseudalsophis.

Etymology
The specific names, slevini and steidachneri, are in honor of American herpetologist Joseph Richard Slevin and Austrian herpetologist Franz Steindachner, respectively.