Arrhyton

Arrhyton is a genus of New World snakes, commonly known as island racers or racerlets, in the family Colubridae. The genus contains 9 described species.

Geographic range
All species in the genus Arrhyton are endemic to Cuba.

Species
The following species are recognized as being valid.
 * Arrhyton ainictum (Schwartz & Garrido, 1981) – Cuban island racer
 * Arrhyton albicollum Diaz, Fong, Salas, & Hedges, 2021) – Gibara white-collared racerlet
 * Arrhyton dolichura (F. Werner, 1909) – Habana island racer
 * Arrhyton procerum (Hedges & Garrido, 1992) – Zapata long-tailed groundsnake
 * Arrhyton redimitum (Cope, 1862) – Oriente brown-capped racerlet
 * Arrhyton supernum (Hedges & Garrido, 1992) – Oriente black groundsnake
 * Arrhyton taeniatum Günther, 1858 – Günther's island racer
 * Arrhyton tanyplectum (Schwartz & Garrido, 1981) – San Vincente island racer
 * Arrhyton vittatum Gundlach, 1861 – common island racer