Segmentorbis is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails. Distribution Distribution of Segmentorbis include Africa. Species Species within this genus include: Segmentorbis angustus (Jickeli, 1874) Segmentorbis kanisaensis (Preston, 1914) References External links Planorbidae