Arrhyton

Snakes of the genus Arrhyton share the following characters. The maxillary bone is short, with eight small teeth, which are followed, after a large interspace by a strongly enlarged fang. The mandibular teeth are small and equal. The head is slightly distinct from the neck. The eye is rather small, with a round pupil. The body is cylindrical in cross-section. The dorsal scales are smooth, without apical pits, and are arranged in 15 or 17 rows. The ventrals are rounded. The tail is moderately long. The subcaudals are in two rows. ==Geographic range==

Species in the genus Arrhyton are found in Cuba, Jamaica, Puerto Rico, and the British Virgin Islands. ==Species==

The following species are recognized as being valid. • Arrhyton ainictum – Cuban island racer • Arrhyton albicollum – Gibara white-collared racerlet • Arrhyton dolichura – Habana island racer • Arrhyton procerum – Zapata long-tailed groundsnake • Arrhyton redimitum – Oriente brown-capped racerlet • Arrhyton supernum – Oriente black groundsnake • Arrhyton taeniatum – Günther's island racer • Arrhyton tanyplectum – San Vincente island racer • Arrhyton vittatum – common island racer Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Arrhyton. ==References==