Chironius
Chironius is a genus of New World colubrid snakes, commonly called sipos, savanes, or sometimes vine snakes. There are 22 described species in this genus with the last species being described in 2015.Species
The following 22 species are recognized as being valid.
- Chironius bicarinatus – two-headed sipo
- Chironius brazili
- Chironius carinatus – machete savane
- Chironius challenger :fr:Philippe J. R. Kok|Kok, 2010
- Chironius diamantina
- Chironius exoletus – Linnaeus' sipo
- Chironius flavolineatus – Boettger's sipo
- Chironius flavopictus
- Chironius foveatus :fr:Joseph Randle Bailey|Bailey, 1955
- Chironius fuscus – brown sipo
- Chironius grandisquamis – Ecuador sipo
- Chironius laevicollis – Brazilian sipo
- Chironius laurenti Dixon, Wiest & :es:José Miguel Alfredo María Cei|Cei, 1993
- Chironius leucometapus
- Chironius maculoventris
- Chironius monticola Roze, 1952 – mountain sipo
- Chironius multiventris Schmidt & Walker, 1943 – long-tailed machete savane
- Chironius quadricarinatus
- Chironius scurrulus – smooth machete savane
- Chironius septentrionalis Dixon, Wiest & Cei, 1993
- Chironius spixii
- Chironius vincenti – St. Vincent blacksnake
Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Chironius.Etymology
The specific names, brazili and spixii, are in honor of Brazilian herpetologist Vital Brazil and German biologist Johann Baptist von Spix, respectively.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.
