Ialtris

Ialtris is a genus of snakes in the subfamily Dipsadinae of the family Colubridae. The genus is endemic to the island of Hispaniola.

Geographic range
Species of the genus Ialtris are found in the Dominican Republic and Haiti.

Species and subspecies
The genus Ialtris contains the following four species which are recognized as being valid. One of these species, I. haetianus, has three recognized subspecies, including the nominotypical subspecies.
 * Ialtris agyrtes Schwartz & Rossman, 1976- Barahona red-headed racer, Barreras fanged snake
 * Ialtris dorsalis (Günther, 1858) - Hispaniolan W-headed racer, brown fanged snake
 * Ialtris haetianus (Cochran, 1935)- Hispaniolan upland racer, Haitian ground snake
 * Ialtris haetianus haetianus (Cochran, 1935)
 * Ialtris haetianus perfector (Schwartz & Thomas, 1965)
 * Ialtris haetianus vaticinata (Schwartz, 1970)
 * Ialtris parishi Cochran, 1932 - Tiburon banded racer, Parish's fanged snake

Nota bene: A binomial authority or trinomial authority in parentheses indicates that the species or subspecies, respectively, was originally described in a genus other than Ialtris.