Melanella spiridioni (P. Dautzenberg& H. Fischer, 1896)
Niso splendidula (G.B. I Sowerby, 1834)
Sticteulima spreta (C.B. Adams, 1864)
Melanella stalioi (Š. Brusina, 1869)
Melanella stamina W.H. Dall, 1927
Ersilia stancyki A. Warén, 1980
Thyca stellasteris F. Koehler & C. Vaney,1912
Niso stenomphala J.T. Kuroda & T. Habe,1950
Haliella stenostoma (J.G. Jeffreys, 1858)
Pelseneeria stimpsonii (A.E. Verrill, 1872)
Pelseneeria striata P. Bouchet & A. Warén,1986
Eulima striatissima (FOSSIL) Böhm, 1895 †
Trochostilifer striatus (C. Hedley, 1905)
Bacula striolata H. Adams & A. Adams, 1863
Severnsia strombeulima D.L. Geiger, 2016
Eulima strongylostoma P. Bouchet & A. Warén,1986
Mourlonopsis strzeleckiana (FOSSIL) (Morris, 1845 †)
Curveulima styla L. Hoffman, B. van Heugten& M.S.S. Lavaleye, 2011
Eulima stylata A. Adams, 1861
Pelseneeria stylifera (W. Turton, 1825)
Parvioris styliferoides (J.C. Melvill & R. Standen,1901)
Leiostraca styliformis (J.H. Gatliff& C.J. Gabriel, 1914)
Melanella subantarctica (H. Strebel, 1908)
Melanella subbrevis (FOSSIL) (A.V.M.D. D'Orbigny,1852 †)
Scalenostoma subcarina C.F. Laseron, 1951
Eulimostraca subcarinata (A.V.M.D. D'Orbigny,1841)
Eulima subconica E.A. Smith, 1890
Eulima sublabrosa R.B. Newton, 1891
Polygireulima subnitida (FOSSIL) (Orbigny, 1850 †)
Parvioris subobtusa (C.F. Laseron, 1955)
Prostilifer subpellucida (W.H. Pease, 1865)
Eulima subrostrata G.B. II Sowerby, 1866
Eulima subtruncata K.H.J. Thiele, 1925
Eulima subula (FOSSIL) A.V.M.D. D'Orbigny,1852 †
Hypermastus subula (A. Adams, 1864)