Potamolithus agapetus H.A. Pilsbry, 1911 Uruguay
Potamolithus australis W.A. Biese, 1944 Chile, Lago Llanquihue
Potamolithus bisinatus H.A. Pilsbry, 1896 Uruguay
Potamolithus buschii (R.W. Dunker in G.R. von Frauenfeld, 1865)
Potamolithus callosus H.A. Pilsbry, 1926 Uruguay
Potamolithus carinifer H.A. Pilsbry, 1911 Uruguay
Potamolithus catharinae H.A. Pilsbry, 1911 Uruguay5 mm
Potamolithus chloris H.A. Pilsbry, 1911 Uruguay
Potamolithus concordianus J.J. Parodíz, 1966
Potamolithus conicus (A. Brot, 1867) Argentina
Potamolithus dinochilus H.A. Pilsbry, 1896 Uruguay
Potamolithus doeringi H.A. Pilsbry, 1911 Argentina, Misiones7,4 mm
Potamolithus elatior H.A. Pilsbry, 1911
Potamolithus elenae de Lucía& Gutiérrez Gregoric, 2017
Potamolithus felipponei H.F.A. von Ihering, 1910
Potamolithus fodinarum H.A. Pilsbry, 1924 Brazil, Minas Gerais
Potamolithus fossae H.A. Pilsbry, 1926 Uruguay
Potamolithus gracilis H.A. Pilsbry Uruguay
Potamolithus hidalgoi H.A. Pilsbry, 1896 Uruguay
Potamolithus iheringi H.A. Pilsbry, 1896 Uruguay
Potamolithus intracallosus H.A. Pilsbry, 1911 Brazil, Sao Paulo
Potamolithus jacuhyensis H.A. Pilsbry, 1899 Brazil, Rio Grande do Sul4 mm
Potamolithus karsticus L.R.L. Simone& N. Moracchioli, 1994 Brazil, Sao Paulo
Potamolithus lapidum (A.V.M.D. D'Orbigny,1835) Uruguay6 mm
Potamolithus microthauma H.A. Pilsbry, 1896 Uruguay
Potamolithus misionum (J.J. Parodíz, 1966)
Potamolithus orbignyi H.A. Pilsbry, 1896 Uruguay
Potamolithus paranaensis H.A. Pilsbry, 1911 Brazil, Paraná5 mm
Potamolithus paysanduanus H.F.A. von Ihering, 1910 Uruguay5 mm
Potamolithus peristomatus (A.V.M.D. D'Orbigny,1835) Brazil, Paraná
Potamolithus petitianus (A.V.M.D. D'Orbigny,1840) Uruguay
Potamolithus philippianus H.A. Pilsbry, 1911 Uruguay4,5 mm
Potamolithus quadratus H.A. Pilsbry& H.F.A. von Ihering, 1911 Uruguay
Potamolithus ribeirensis H.A. Pilsbry, 1911 Brazil, Rio Grande do Sul4,8 mm
Potamolithus rushii H.A. Pilsbry, 1896 Uruguay