Sulcoretusa paziana (W.H. Dall, 1919)
Retusa pellucida (G.O. Sars, 1878)
Retusa pelyx R.F. Burn in R.F. Burn& K.N. Bell, 1974
Retusa pervia (W.H. Dall, 1889)
Cylichnina petrosa (FOSSIL) (T.A. Conrad, 1849 †)
Retusa pharetra C. Hedley, 1909
Pyrunculus phialus (A. Adams, 1862)
Retusa piriformis T.A. de M. Monterosato,1878
Retusa pressa (FOSSIL) J. Marwick, 1928 †
Sulcoretusa prosulcata (FOSSIL) (J. Gardner, 1937 †)
Retusa protumida (C. Hedley, 1903)
Retusa pseudoglobosa S. Nomura, 1939
Retusa pusillina (É.A.A. Locard, 1897)
Retusa pygmaea (A. Adams, 1850)
Pyrunculus pyriformis (A. Adams, 1850)
Pyrunculus pyriformis obesa (T. Habe, 1950)
Retusa robagliana (P. Fischer, 1869)
Pyrunculus rushi (W.H. Dall, 1927)
Retusa sakuraii (T. Habe, 1958)
Retusa scalaris (FOSSIL) (Lycett) †
Retusa sculpta (J.H. Gatliff& C.J. Gabriel, 1913)
Retusa segnis (FOSSIL) (C.R. Laws, 1940 †)
Retusa semen (L.A. Reeve, 1855)
Retusa sibogae M.M. Schepman, 1913
Pyrunculus simillimus (R.B. Watson, 1883)
Relichna simplex (É.A.A. Locard, 1897)
Retusa soror (FOSSIL) (H.H. Suter, 1917 †)
Retusa sosa Er. Marcus & Ev. Marcus,1969
Retusa spatha (R.B. Watson, 1883)
Moniloretusa spinosa (FOSSIL) N.F. Sohl, 1963 †
Pyrunculus spretus (R.B. Watson, 1897)
Retusa striata (F.W. Hutton, 1873)
Retusa subangistoma (FOSSIL) (Orbigny, 1852 †)
Cylichnina subspissa (FOSSIL) (T.A. Conrad, 1848 †)
Retusa succincta (A. Adams, 1862)