Tetracheilostoma
St. Lucia threadsnake (Tetracheilostoma breuili)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Leptotyphlopidae
Subfamily:	Epictinae
Genus:	Tetracheilostoma Jan, 1861

Tetracheilostoma is a genus of snakes in the family Leptotyphlopidae. All of the species were previously placed in the genus Leptotyphlops.

The genus contains the following species:^[1]

• Tetracheilostoma bilineatum, two-lined blind snake
• Tetracheilostoma breuili, St. Lucia threadsnake
• Tetracheilostoma carlae, Barbados threadsnake