Paraphaedusa subpolita (E.A. Smith, 1896)
Pravispira subserrulata L. Németh & M. Szekeres,2004.
Pfeifferiella subterranea W.K. Weyrauch, 1957
Nothoserrulina subterranea L. Németh & M. Szekeres,1995.
Megalophaedusa subulina (O.F. von Möllendorff,1882)
Nordsieckia succedens (FOSSIL) H. Nordsieck, 2007 †
Synprosphyma succinea (P.M. Heude, 1886)
Dilataria succineata (E.A. Rossmässler, 1836)
Dilataria succineata pulchella (L. Pfeiffer, 1848)
Pinguiphaedusa sugimotonis (H. Minato & A. Tada,1978)
Pinguiphaedusa sugimotonis misaki (H. Minato & A. Tada,1978)
Synprosphyma suilla (A.R.J.B. Bavay& P. Dautzenberg, 1909)
Synprosphyma suilla major (A.R.J.B. Bavay& P. Dautzenberg, 1909)
Synprosphyma suilla minor (A.R.J.B. Bavay& P. Dautzenberg, 1909)
Tropidauchenia sulcicollis Grego & Szekeres, 2017
Agathylla sulcosa (J.A. Wagner, 1829)
Agathylla sulcosa acicula (F.J. Cantraine, 1835)
Agathylla sulcosa camenensis (A.J. Wagner, 1912)
Agathylla sulcosa cataphracta (L. Pfeiffer, 1848)
Agathylla sulcosa irregularis (E.A. Rossmässler, 1835)
Oospira suluana (O.F. von Möllendorff,1894)
Sabaeola sumarana (M. Connolly, 1941)
Oospira sumatrana (E.C. Von Martens, 1864)
Euxinastra sumelae E. Neubert, 1993
Carinigera superba H. Nordsieck, 1977
Albinaria supercarinata E. Gittenberger& H.P.M.G. Menkhorst, 1992
Tyrannophaedusa surugensis H.A. Pilsbry, 1902
Balea swalesi R.C. Preece& E. Gittenberger, 2003
Formosana swinhoei (L. Pfeiffer, 1855)
Leptocochlea sykesi (A.R.J.B. Bavay& P. Dautzenberg, 1899)
Leptocochlea sykesi letrungthongi J. Grego & M. Szekeres,2011
Muticaria syracusana (R.A. Philippi, 1836)
Muticaria syracusana neuteboomi J. Beckmann, 1990
Phaedusa szechuanensis H.A. Pilsbry, 1934
Liparophaedusa szekeresi Thach, 2017