Helminthophis is a genus of non-venomous blind snakes found in southern Central America and northwestern South America. Currently, 3 monotypic species are recognized.
Found in southern Central America and northwestern South America in Costa Rica, Panama, Peru, Colombia and Venezuela. According to Hahn (1980), one species has possibly been introduced in Mauritius.
<span style="font-size:100%;"><sup>T</sup></span>) Type species.