Chamalycaeus satsumanus tanegashimae H.A. Pilsbry, 1902
Cyclophorus saturnus L. Pfeiffer, 1862
Micraulax scabra W. Theobald
Platyrhaphe scalaris (L. Pfeiffer, 1851)
Glossostylus schepmani F.F. Laidlaw, 1957
Pterocyclos schileykoi Thach & F. Huber, 2017
Pterocyclus schmackeri O.F. von Möllendorff,1897
Boucardicus scopulus K.C. Emberton, 1994
Chamalycaeus sculptilis (W.H. Benson, 1856)
Alycaeus selangoriensis Foon & Liew, 2017
Litostylus semisulcatus (G.B. Sowerby, 1843)
Cyclophorus semperi W. Kobelt, 1886
Alycaeus senyumensis Foon & Liew, 2017
Opisthoporus serenae J.J. Vermeulen & D.J. Junau,2007
Leptopoma sericatum L. Pfeiffer, 1851
Cyclophorus sericinus J.F. Quadras& O.F. von Möllendorff, 1894
Dioryx setchuanensis (P.M. Heude, 1885)
Mychopoma seticinctum (R.H. Beddome, 1875)
Cyclotus setosus O.F. von Möllendorff,1894
Lagochilus sexfiluris (P.M. Heude, 1882)
Japonia shigetai H. Minato, 1985
Alycaeus shiosakimasahiroi Yano,Matsuda & Nishi, 2016
Theobaldius shiplayi (L. Pfeiffer, 1856)
Cyclophorus siamensis G.B. Sowerby, 1850
Caspicyclotus sieversi (L. Pfeiffer, 1871)
Leptopoma signatum (L. Pfeiffer, 1856)
Japonia similis (E.A. Smith, 1894)
Boucardicus simplex K.C. Emberton & T.A. Pearce,1999
Rhiostoma simplicilabre L. Pfeiffer, 1862
Opisthoporus singaporeanus Low & S. K. Tan, 2017
Cyathopoma sivagherrianum R.H. Beddome, 1875
Leptopoma skertehly (E.A. Smith)
Japonia smithi (W. Kobelt& O.F. von Möllendorff, 1897)
Rhiostoma smithi P. Bartsch, 1932
Cyclotus solutus O.F. von Möllendorff