Melania toradjarum Sarasin & Sarasin, 1897 Tylomelania toradjarum is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pachychilidae.
The specific name toradjarum is in honor of Toraja (spelling variant Toradja), an ethnic group indigenous to Sulawesi.
[1] This species is endemic to Lake Poso, Sulawesi, Indonesia.
[1] The type locality is the Lake Poso.
[1] There are 9 concentric lines on the operculum.