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Cloud forest snake.jpg
Tachymenis peruviana
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Dipsadidae
Subfamily: Xenodontinae
Genus: Tachymenis
Wiegmann, 1835

See text.

Tachymenis is a genus of venomous snakes belonging to the family Colubridae. They are commonly known as slender snakes or short-tailed snakes and are primarily found in southern South America. Tachymenis are capable of producing a medically significant bite, with at least one species, T. peruviana, responsible for human fatalities.[1]


The following species are recognized by ITIS:[2]

Other sources may recognize as much as 17 distinct species:[3][4]


  1. ^ Mackessy, Stephen P. (June 2002). "Biochemistry and pharmacology of colubrid snake venoms" (PDF). Journal of Toxicology: Toxin Reviews. 21 (1–2): 43–83. doi:10.1081/TXR-120004741. Retrieved 2009-09-26. Most [colubrids] may not produce a venom capable of causing serious damage to humans, but at least five species (Dispholidus typus, Thelotornis capensis, Rhabdophis tigrinus, Philodryas olfersii and Tachymenis peruviana) have caused human fatalities 
  2. ^ "Tachymenis". Integrated Taxonomic Information System. Retrieved 3 March 2011. 
  3. ^ Tachymenis. Encyclopedia of Life. Retrieved 3 March 2011.
  4. ^ Tachymenis (Genus). ZipcodeZoo.com, 2010. Retrieved 3 March 2011.