. . "Austropyrgus niger" . . . "IUCN3.1" . . "*Hydrobia nigra (Frauenfeld, 1864 )" . . . . . . "*Fluvidona nigra (Smith, 1992)" . . . . . "*Paludina nigra (Quoy&Gaimard, 1834)" . . . . . . . . "Austropyrgus niger" . "LC" .