Typhlophis is a monotypic genus created for the blind snake species, T. squamosus, found along the Atlantic coast of South America from the Guianas to Pará in Brazil, as well as in Trinidad. No subspecies are currently recognized.
The synonym, Typhlophis ayarzaguenai, was named in honor of Venezuelan herpetologist José Ayarzagüena.
The head of T. squamosus is covered with small scales, which are indistinguishable from the body scales.
Typhlophis squamosus is found in the Atlantic coastal lowlands of South America in Guyana, Suriname and French Guiana as far south as the state of Pará in Brazil. It is also found on the island of Trinidad. The type locality given is "Cayenne" (French Guiana).
