Rivomarginella morrisoni
Rivomarginella morrisoni is a species of freshwater snail, gastropod mollusk in the family Marginellidae, the margin snails.
Rivomarginella morrisoni is the type species of the genus Rivomarginella.
Distribution
It is native to central Thailand: Mae Klong River, Prachin Buri River, Nan River, Klong Bang O, Klong Ban Yikkan, Klong Prapa, Klong Rapipat.The type locality is Prachin Buri River, Kabin Buri District, Thailand.