Melania tominangensis Kruimel, 1913 Tylomelania tominangensis is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pachychilidae.

This species occurs in the Tominanga River and in Lake Lontoa, south Sulawesi, Indonesia.

[2] Its type locality is the Tominanga River near lake Towuti.

[2] The females of Tylomelania tominangensis usually have 1-4 embryos in their brood pouch.

[2] Newly hatched snails of Tylomelania tominangensis have a shell height of 6.8-8.5 mm.