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.[2]
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All species in the genus Arrhyton are endemic to Cuba.[2]
The following species are recognized as being valid.[3]
- Arrhyton ainictum (Schwartz & Garrido, 1981) – Cuban island racer[4]
- 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[5]
- Arrhyton redimitum (Cope, 1862) – Oriente brown-capped racerlet[6]
- Arrhyton supernum (Hedges & Garrido, 1992) – Oriente black groundsnake[7]
- Arrhyton taeniatum Günther, 1858 – Günther's island racer[8]
- Arrhyton tanyplectum (Schwartz & Garrido, 1981) – San Vincente island racer[9]
- Arrhyton vittatum Gundlach, 1861 – common island racer[10]
- Boulenger GA (1894). Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xi + 382 pp. + Plates I-XX. (Genus Arrhyton, p. 251).
- Günther A (1858). Catalogue of Colubrine Snakes in the Collection of the British Museum. London: Trustees of the British Museum. (Taylor and Francis, printers). xvi + 281 pp. (Arrhyton, new genus, p. 240, 244).
- Schwartz A, Thomas R (1975). A Check-list of West Indian Amphibians and Reptiles. Carnegie Museum of Natural History Special Publication No. 1. Pittsburgh, Pennsylvania: Carnegie Museum of Natural History. 216 pp. (Arrhyton dolichurum, p. 177; A. taeniatum, p. 178; A. vittatum, pp. 178–179).