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

This species occurs in Malili Lakes, Sulawesi, Indonesia.

[3] Tylomelania masapensis is a lacustrine species.

[2] The females of Tylomelania masapensis usually have 1-5 embryos in their brood pouch.

[2] Newly hatched snails of Tylomelania masapensis have a shell height of 0.3-10.0 mm.