Figure 3

Adult ovoviviparous female (<5 mm) of Potamopyrgus antipodarum from Estero La Dehesa, Santiago, Chile. The pallial oviduct brood pouch was dissected to show several shelled juveniles.
Adult ovoviviparous female (<5 mm) of Potamopyrgus antipodarum from Estero La Dehesa, Santiago, Chile. The pallial oviduct brood pouch was dissected to show several shelled juveniles.