Echis carinatus sinhaleyus

Echis carinatus sinhaleyus is a venomous viper subspecies endemic to Sri Lanka.

Common names
Sri Lankan saw-scaled viper.

Known as vali polanga (වැලි පොලඟා) (can also be spelt as veli polanga) by the Sinhala speaking community. The vernacular name veli polanga translates as "sand viper".

Geographic range
It is found in Sri Lanka.

The type locality is described as "Chavakachcheri, Jaffna Peninsula" (Northern Province, Sri Lanka).