Tortaxis servaini (J.F. Mabille, 1887) Vietnam, Tonkin
Opeas setchuanense (P.M. Heude, 1885) China, Guangxi province21,4 mm
Glessula shiplayi (L. Pfeiffer) India, Western Ghats
Obeliscus silvaevagus W.K. Weyrauch, 1964 Peru, Huanuco
Glessula simoni (F.P. Jousseaume, 1894) Sri Lanka
Synopeas simonis F.P. Jousseaume, 1889 Venezuela, Caracas5,5 mm
Leptinaria simplex (R.J.L. Guppy, 1868) Venezuela
Stenogyra simpsoni H.A. Pilsbry, 1906 Dominican Republic13,7 mm
Lamellaxis simpsoni (C.M.F. Ancey, 1886) Honduras
Glessula sinhila H.B. Preston, 1909 Sri Lanka
Beckianum sinistrum (E.C. Von Martens, 1898) Nicaragua
Curvella sinulabris (E.C. Von Martens, 1878.) Kenya, Ukamba
Pseudoglessula sjostedti (A. d'Ailly in H.A. Pilsbry, 1885) Cameroon36,6 mm
Riebeckia sokotorana (E.C. Von Martens, 1881) Yemen, Socotra58 mm
Leptinaria solida E.C. Von Martens, 1898 Costa Rica
Nothapalus sororcula H.A. Pilsbry, 1919 Congo
Opeas soulaianus E. Fischer-Piette& A.M. Testud, 1973
Homorus sowerbyanus (P.M.A. Morelet) Lake Tanganyika27 mm
Obeliscus spiralis H. von Maltzan
Ischnoglessula splendida (J. Germain, 1915) Gulf of Guinea, Bioco Island16,7 mm
Leptinaria stolli E.C. Von Martens, 1898 Guatemala
Lamellaxis strebelianus (H.A. Pilsbry, 1907) Nicaragua
Subulina striatella (P.C.A.S.L. Rang, 1831) Gabon, Sao Tomé Island12 mm
Opeas striatissimus (P.V. Gredler, 1882) China, Guangxi province8,2 mm
Obeliscus strictus (F. Poey, 1853) Cuba18,7 mm
Pseudoglessula strigosa (P.M.A. Morelet, 1866) Zaire14,7 mm
Lamellaxis striosus (C.B. Adams, 1849) Jamaica
Kempioconcha stuhlmanni (E.C. Von Martens, 1892) Zaire7 mm
Pseudoglessula subcarinifera (E.A. Smith, 1890)
Subulina subcrenata E.C. Von Martens, 1895
Pseudoglessula subfuscidula H.A. Pilsbry, 1919 Zaire7 mm
Kempioconcha subolivacea (E.A. Smith, 1890) Tanzania
Dysopeas subopacum (F.C. Baker, 1927) Venezuela
Glessula subperrotteti R.H. Beddome India, Western Ghats
Chilonopsis subplicatus (G.B. Sowerby, 1844)