Tylomelania scalariopsis
Tylomelania scalariopsis is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pachychilidae. DistributionThis species occurs in Lake Poso drainage, Sulawesi, Indonesia.[2][1] The type locality is the Poso River, 400 m against the river current.[1] DescriptionThe shell has 11-12 whorls.[1] The width of the shell is 12 mm.[1] The height of the shell is 34 mm.[1] The width of the aperture is 6.5 mm.[1] The height of the aperture is 10 mm.[1] There are 6 concentric lines on the operculum.[1] References
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