Tylomelania neritiformis

Tylomelania neritiformis is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pachychilidae.

Tylomelania neritiformis
Apertural view of a shell of Tylomelania neritiformis
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Family:	Pachychilidae
Genus:	Tylomelania
Species:	T. neritiformis
Binomial name
Tylomelania neritiformis Sarasin & Sarasin, 1897[1]
Synonyms[2]
Melania neritiformis Brotia neritiformis

Tylomelania neritiformis is the type species of the genus Tylomelania.^[2] This type species was subsequently designated by Johannes Thiele in 1929.^[3]

Distribution

The type locality is the upper part of the Poso River in Sulawesi, Indonesia.^[1][2]

Apertural view of a shell of Tylomelania neritiformis from its type description.

Description

The shell is small and thick, with a short spire and five whorls. It is black in color with a violet tint.^[1]