The false tomodon snake (Tachymenis trigonatus) is a species of venomous snake in the subfamily Dipsadinae of the family Colubridae. The species is endemic to Argentina.
Taxonomy Tachymenis trigonatus is part of the 36 species of the tribe Tachymenini. The Instituto Butantan Repository.
Geographic distribution Tachymenis trigonatus is found in the western and southern regions of the Monte Desert in western Argentina.
Habitat The preferred natural habitat of Tachymenis trigonatus is shrubland.
Characteristics The false tomodon snake is characterized by its coloration and number of scales. As part of the genus Tachymenis, it has morphological characters of maxillary teeth with grooved fangs, and a vertical pupil. The false tomodon snake has eight or fewer maxillary teeth. The body is marked dorsally by a distinguishing yellowish vertebral line. The dorsal scales are arranged in 19 rows at midbody. Adults have a total length (tail included) of about .
Behavior Tachymenis trigonatus is terrestrial.
Reproduction Tachymenis trigonatus is ovoviviparous.
References
Further reading
(Pseudotomodon trigonatus, p. 35). 108 pp. (Pelias trigonatus, new species, p. 82). (in Spanish). (in Spanish). (Tachymenis trigonatus, new combination).