Mangelia scabra J.G. Jeffreys, 1847
Mangelia scabrida T.A. de M. Monterosato,1890
Bela scalariformis (FOSSIL) (G.A. Brugnone, 1862 †)
Propebela scalaris (H.P.C. Møller, 1842)
Propebela scalaroides (G.O. Sars, 1878)
Acmaturris scalida (FOSSIL) W.P. Woodring, 1928 †
Pyrgocythara scammoni (W.H. Dall, 1919)
Marita schoutenensis (W.L. May, 1911)
Mangelia sciola K.H. Barnard, 1958
Ithycythara scissa (FOSSIL) W.P. Woodring, 1928 †
Pseudorhaphitoma scitula (E.A. Smith, 1884)
Mangelia sculpturata (W.H. Dall, 1887)
Agathotoma secalis D.R. Shasky, 1971
Mangelia secreta (J.J. Van Aartsen& M.C. Fehr-de Wal, 1978)
Macteola segesta (P.L. Duclos, 1850)
Macteola segesta cinctura C. Hedley, 1922
Crassauris seguinensis (FOSSIL) Garvie, 2013 †
Mangelia semen L.A. Reeve, 1846
Mangelia semiassa A.A. Gould, 1861
Guraleus semicarinatus (H.A. Pilsbry, 1904)
Mangelia semicostulata (FOSSIL) G.P. Deshayes, 1865 †
Papillocithara semiplicata R.N. Kilburn, 1992
Mangelia senegalensis (H.F. Von Maltzan, 1883)
Ithycythara septemcostata (M.M. Schepman, 1913)
Oenopota seraphina R.M.A. Figueira& R.S. Absalão, 2010
Kurtziella serga (W.H. Dall, 1881)
Antiguraleus sericeus R.N. Kilburn, 1994
Mangelia sericifila (W.H. Dall, 1927)
Heterocithara seriliola C. Hedley, 1922
Anticlinura serilla (W.H. Dall, 1908)
Antiguraleus serpentis (C.F. Laseron, 1954)
Mangelia serrula K.H. Barnard, 1964
Cryoturris serta (FOSSIL) A.A. Olsson & A. Harbison,1953 †
Kurtziella serta (W.G. Fargo, 1953)
Pseudorhaphitoma severa (K.H.J. Thiele, 1925)