Tylomelania gemmifera
Tylomelania gemmifera is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pachychilidae.
Distribution
This species occurs in Malili lakes, Sulawesi, Indonesia. It occurs in one lake; the type locality is Lake Matano.Description
The shell has 9-10 whorls.The width of the shell is. The height of the shell is. The width of the aperture is. The height of the aperture is.