| Arrhyton [1] | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Colubridae |
| Subfamily: | Dipsadinae |
| Genus: | Arrhyton Günther, 1858 |
| Species | |
Nine recognized species, see article | |
Arrhyton is a genus of New World snakes, commonly known as island racers or racerlets, in the subfamily Dipsadinae of the family Colubridae. The genus contains nine described species. [2]
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. [3] : 251
Species in the genus Arrhyton are found in Cuba, Jamaica, Puerto Rico, and the British Virgin Islands. [4]
The following species are recognized as being valid. [5]
Nota bene : A binomial authority in parentheses indicates that the species was originally described in a genus other than Arrhyton.
Philodryas is a genus of colubrid snakes endemic to South America, commonly called green snakes.
Trachischium is a genus of snakes, known commonly as slender snakes or worm-eating snakes, in the subfamily Natricinae of the family Colubridae. The genus is endemic to Asia.
Tropidophis, common name Caribbean dwarf boas, wood snakes or West Indian wood snakes, is a genus of dwarf boas endemic to the West Indies and South America. Currently, either 17 or 33 species are recognized, depending on the authority.
Erythrolamprus is a genus of colubrid snakes native to Central America, the Caribbean, and South America. They include the false coral snakes, which appear to be coral snake mimics.
The Saint Croix racer is a possibly extinct species of snake in the family Colubridae that is endemic to the island of Saint Croix in the United States Virgin Islands.
Macroprotodon is a genus of snakes in the family Colubridae. All of the member species of the genus are commonly known as false smooth snakes.
Tropidophis pilsbryi, commonly known as Pilsbry's dwarf boa or the Cuban white-necked dwarf boa, is a species of snake in the family Tropidophiidae. The species is endemic to Cuba.
Rhabdophis ceylonensis is endemic to the island of Sri Lanka. The species is commonly known as the Sri Lanka blossom krait, the Sri Lanka keelback, and මල් කරවලා or නිහලුවා (nihaluwa) in Sinhala. It is a moderately venomous snake.
Tropidodipsas is a genus of New World snakes of the family Colubridae.
Uromacer frenatus, the slender Hispaniolan vine snake or island pointed snake, is a species of snake in the family Colubridae. The species is endemic to Hispaniola in the West Indies.
Ialtris is a genus of snakes in the subfamily Dipsadinae of the family Colubridae. The genus is endemic to the island of Hispaniola.
Hydrablabes is a genus of snakes in the subfamily Natricinae of the family Colubridae. The genus contains two species.
Caraiba is a monotypic genus of snakes in the family Colubridae. The genus contains the sole species Caraiba andreae, also known commonly as the black and white racer or the Cuban lesser racer, which is endemic to Cuba. There are six recognized subspecies.
Arrhyton dolichura, the Havana racerlet or Habana Island racer , is a species of snake in the family Colubridae. It is found in Cuba.
Arrhyton procerum, the Zapata long-tailed racerlet or Zapata long-tailed groundsnake is a species of snake in the family Colubridae. It is found in Cuba.
Arrhyton redimitum, also known commonly as the Oriente brown-capped racerlet, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is endemic to Cuba.
Arrhyton supernum, the Oriente black racerlet or Oriente black groundsnake, is a species of snake in the family Colubridae. It is found in Cuba.
Arrhyton taeniatum, the broad-striped racerlet or Günther's Island racer, is a species of snake in the family Colubridae. It is found in Cuba.
Arrhyton tanyplectum, the Guaniguanico racerlet or San Vincente Island racer, is a species of snake in the family Colubridae. It is found in Cuba.
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