Mangelia sextoni (FOSSIL) J. Gardner, 1937 † Florida, Alum Bluff formation6,9 mm
Eucithara seychellarum (E.A. Smith, 1884)
Bela seyithasanensis (FOSSIL) B.M. Landau & al., 2013 † Turkey
Mangelia shepstonensis E.A. Smith, 1914 South Africa, Natal, Durban Bay4,3 mm
Heterocithara sibogae T. Shuto, 1970 Indonesia
Mangelia sicula L.A. Reeve, 1846 Cyprus7 mm
Pseudorhaphitoma sienna R.N. Kilburn, 1993 South Africa, Natal, Durban Bay6,2 mm
Obesotoma simplex (A.T. von Middendorff,1849) Norway, Finnmark15,3 mm
Bela simplicata É.A.A. Locard, 1896
Paraspirotropis simplicissima (W.H. Dall, 1907) Kurile islands28 mm
Neoguraleus sinclairi (T.B. Gillies, 1882) New Zealand7,8 mm
Propebela siogamaensis (S. Nomura & N. Zinbo,1940) Japan
Propebela smithi P. Bartsch, 1944 California
Eucithara solida (L.A. Reeve, 1846) Philippines
Obesotoma solida (W.H. Dall, 1887) Russia, Okhotsk Sea
Mangelia sordida (L.A. Reeve, 1845)
Sorgenfreispira sorgenfreii (FOSSIL) (Nordsieck, 1972 †) Belgium
Eucithara souverbiei (G.W. Tryon, 1884) New Caledonia, Lifou6 mm
Mangelia sparsa (FOSSIL) (O. Böttger, 1901 †) Hungary, Börzsöny7 mm
Propebela spitzbergensis (H.B.S. Friele, 1886)
Obesotoma starobogatovi I.P. Bogdanov, 1990
Brachycythara stegeri G.W. Nowell-Usticke, 1959 Virgin Islands13 mm
Agathotoma stellata (O.A.L. Mörch, 1860) Mexico, Baja California Sur, La Paz6 mm
Stellatoma stellata (R.E.C. Stearns, 1872) Florida7,6 mm
Antiguraleus stellatomoides T. Shuto, 1983 Taiwan12 mm
Kurtziella stenotella (FOSSIL) W.P. Woodring, 1970 † Panama, Colón
Kurtziella stephanophora (FOSSIL) J. Gardner, 1937 † Florida, Alum Bluff formation
Mangelia stibarochila J.C. Melvill& R. Standen, 1896
Pseudorhaphitoma stipendiarii R.N. Kilburn, 1993
Mangelia stosiciana (Š. Brusina, 1869) Italy, Cannizzaro7 mm
Cythara striata H.C.F. Schumacher, 1817
Eucithara striatella (E.A. Smith, 1884)
Eucithara striatissima (G.B. III Sowerby, 1907) Australia, Murray Island
Oenopota striatula (K.H.J. Thiele, 1912) South Shetland Islands
Eucithara strigata (W.H. Pease, 1863)