- Source: 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 13.5 millimetres (0.53 in). The height of the shell is 46.5 millimetres (1.83 in). The width of the aperture is 8 millimetres (0.31 in). The height of the aperture is 10.5 millimetres (0.41 in).
References
External links
von Rintelen T. & Glaubrecht M. (2005). "Anatomy of an adaptive radiation: a unique reproductive strategy in the endemic freshwater gastropod Tylomelania (Cerithioidea: Pachychilidae) on Sulawesi, Indonesia and its biogeographical implications." Biological Journal of the Linnean Society 85: 513–542. doi:10.1111/j.1095-8312.2005.00515.x.
