Zemelanopsis trifasciata

Zemelanopsis trifasciata is a species of freshwater snail in the family Melanopsidae. It is endemic to New Zealand, where it is found in fresh and brackish water habitat throughout the country.

The type locality is "Waitanga Falls", in Waitangi, Northland, Bay of Islands, New Zealand.

Description
The width of the shell is 11–17 mm. The height of the shell is 18–30 mm.

Ecology
It lives in streams and rivers near their estuaries.