Pleuromalaxis retifera (W.H. Dall, 1892)
Anticlimax rhinoceros F. Rubio & E. Rolán, 2014
Vitrinella rifaca P. Bartsch, 1915
Anticlimax robusta F. Rubio & E. Rolán, 2014
Circulus rossellinus W.H. Dall, 1919
Canimarina rostrata (C. Hedley, 1900)
Circlotoma rotata C.F. Laseron, 1958
Adeorbella rotatoria (FOSSIL) (Deshayes, 1863) †
Teinostoma rotellaeforme (FOSSIL) G.P. Deshayes, 1864 †
Solariorbis ruris F. Rubio, R. Fernández-Garcés& E. Rolán, 2011
Circulus ryalli P.G. Oliver & E. Rolán,2011
Tornus ryalli E. Rolán & F. Rubio, 2002
Teinostoma sandomingense (FOSSIL) C.J. Maury, 1917 †
Teinostoma sapiella W.H. Dall, 1919
Cochliolepis schoonerensis (FOSSIL) E.W.J. Moore, 1963 †
Tornus schrammii (P. Fischer, 1857)
Anticlimax schumoi (E.G. Vanatta, 1913)
Solariorbis schumoi (E.G. Vanatta, 1913)
Circulus sculptilis (A. Garrett, 1873)
Idioraphe seguinensis (FOSSIL) Garvie, 2013 †
Solariorbis seminudus (C.B. Adams, 1852)
Solariorbis semipunctus R.C. Moore, 1965
Circulus semisculptus (A.A. Olsson& J.T.L. McGinty, 1958)
Teinostoma semistriatum (A.V.M.D. D'Orbigny,1842)
Vitrinella semisulcata A. Issel, 1869
Circulus senegalensis W. Adam & J. Knudsen,1969
Anticlimax serrata F. Rubio & E. Rolán, 2014
Discreliotia serrata C.F. Laseron, 1958
Solariorbis shimeri (W.F. Clapp, 1914)
Lydiphnis shiraii J.T. Kuroda
Teinostoma sibogae H.A. Pilsbry & E.G. Vanatta,1902
Teinostoma sibogae Schepman, 1908
Sigaretornus sigaretinus (H.A. Pilsbry, 1897)
Circulus sigaretornuformis (FOSSIL) P. Lozouet, 1998 †
Circulus similis (G.P. Deshayes, 1862 )