Lanistes intortus is a species of large freshwater snail, an aquatic gastropod mollusk with a gill and an operculum in the family Ampullariidae, the apple snails.
It is endemic to the Democratic Republic of the Congo. They are one of approximately 41 species of Lanistes.[1]
They are typically found at an altitude between 0 and 490 m (1,608 ft),[2] living in and around brackish water habitats.[3] They are characterised by a shell of 30 mm, light brown with small, darker spiral bands.[3]