Echis carinatus sinhaleyus

Echis carinatus sinhaleyus is a venomous viper subspecies endemic to Sri Lanka.
Common names.
Sri Lankan saw-scaled viper."
Known as () (can also be spelt as ) by the Sinhala speaking community. The vernacular name 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).