Tylomelania neritiformis is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pachychilidae.
Tylomelania neritiformis is the type species of the genus Tylomelania.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. . This type species was subsequently designated by Johannes Thiele in 1929.Thiele J. (1929). Handbuch der Systematischen Weichtierkunde. Jena, Gustav Fischer.
Distribution The type locality is the upper part of the Poso River in Sulawesi, Indonesia.
Description The shell is small and thick, with a short spire and five whorls. It is black in color with a violet tint.
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