English Biomphalaria pfeifferi Cited by user AManWithNoPlan on 22 May 2012 Biomphalaria pfeifferi is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
English Radix natalensis Cited by user AManWithNoPlan on 22 May 2012 Radix natalensis is a species of freshwater snail, an aquatic gastropod mollusc in the family Lymnaeidae.