Chironius

Chironius
File:Chironius bicarinatus.jpeg
Chironius bicarinatus
File:Chironius scurrulus (Yasuni).jpg
Chironius scurrulus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Vertebrata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Colubridae
Subfamily:	Colubrinae
Genus:	Chironius Fitzinger, 1826
Species
16, See text

Chironius is a genus of New World colubrid snakes, commonly called sipos (from the Portuguese word cipó for liana), savanes, or sometimes vine snakes. There are sixteen described species in this genus with the last species being described in 1993.

Species

• Chironius bicarinatus (Wied, 1820) - Two-headed sipo
• Chironius carinatus (Linnaeus, 1758) - machete savane
• Chironius challenger Kok, 2010
• Chironius exoletus (Linnaeus, 1758) - Linnaeus' sipo
• Chironius flavolineatus (Boettger, 1885) - Boettger's sipo
• Chironius foveatus Bailey, 1955
• Chironius fuscus (Linnaeus, 1758) - brown sipo
• Chironius grandisquamis (Peters, 1869) - Ecuador sipo
• Chironius laevicollis (Wied, 1824) - Brazilian sipo
• Chironius laurenti Dixon, Wiest & Cei, 1993
• Chironius monticola Roze, 1952 - mountain sipo
• Chironius multiventris Schmidt & Walker, 1943 - long-tailed machete savane
• Chironius quadricarinatus (F. Boie, 1827)
• Chironius scurrulus (Wagler, 1824) - smooth machete savane
• Chironius septentrionalis Dixon, Wiest & Cei, 1993
• Chironius vincenti (Boulenger, 1891) - St. Vincent blacksnake

Conservation status

The St. Vincent Blacksnake, Chironius vincenti is listed as critically endangered by the IUCN Red List due to its extremely limited range on the Island of St. Vincent.

References

• Genus Chironius at The Reptile Database
• IUCN Red List of Threatened Species: Chironius vincenti