Figure 5 from: Rassam H, Moutaouakil S, Benaissa H, Albrecht C, Ghamizi M (2020) First record of Pisidium subtruncatum Malm, 1855 (Bivalvia, Sphaeriidae) in an African cave. Subterranean Biology 34: 99-108. https://doi.org/10.3897/subtbiol.34.50916

Figure 5 Position and shapes of cardinal teeth and ligament pits in left (a) and right valve (b). c: cardinal teeth.