Paratheba roseni (P. Hesse, 1914) Caucasus
Monacha rothi L. Pfeiffer, 1841 Greece
Discula rotula (R.T. Lowe, 1831) Portugal, Madeira11 mm
Leucozonella rubens (E.C. Von Martens, 1874) Kyrgyzstan15 mm
Perforatella rubiginosa (A. Schmidt, 1853) France, Calais
Pseudotrichia rubiginosa (E.A. Rossmässler, 1838) Spain
Leucarchaica rudimentifera A.A. Schileyko& A.P. Pazylov, 1990 Kyrgyzstan
Monacha ruffoi F.L. Giusti, 1973 Italy, Rieti
Leucozonella rufispira (E.C. Von Martens, 1874) Kyrgyzstan
Leucozonella rufispira talassica A.A. Schileyko, 1972 Kyrgyzstan11 mm
Cernuella rugosa (J.B.P.A. Lamarck, 1822) S.Vito Lo Capo, Sicily, Italy13,5 mm
Rothifruticicola rugosissima Bank, Gittenberger& Neubert, 2013 CY
Ichnusomunda sacchii F.L. Giusti& G. Manganelli, 1998 Italy, Sardinia Island7 mm
Amandana salvanae (P. Fagot, 1886) Spain, Cuenca7,2 mm
Metatheba samsunensis (L. Pfeiffer, 1868) Russia, Georgia13,6 mm
Leptaxis sanctaemariae (P.M.A. Morelet& H. Drouët, 1857) Azores
Xerosecta sandaliotica W. De Mattia, 2014 Sardinia, Arbus
Monacha saninensis (P.M. Pallary, 1939) Turkey
Anoplitella schaposchnikovi (O.W. Von Rosen, 1911) Russia, Kabardino-Balkar
Pyrenaearia schaufussi (W. Kobelt, 1876) Spain11,18 mm
Kalitinaia schelkovnikovi (V.V. Bogachev, 1936) Russia, Georgia
Trochoidea schembrii L. Pfeiffer, 1848 Malta8,8 mm
Caucasigena schileykoi R.A. Tavasiev& Tavasieva, 1980 Russia, Kabardino-Balkar9 mm
Leucozonella schileykoi A.P. Pazylov & Kuchbaev,2001 Russia, Vladikavkaz
Urticicola schlickumi (FOSSIL) Nordsieck, 2014 †
Caucasocressa schmalzi B. Hausdorf & G. Falkner,2001 Turkey, Erzurum
Metafruticicola schuberti (J.R. Roth, 1839) Greece15 mm
Monacha sedissana B. Hausdorf, 2000 Turkey
Angiomphalia seductilis (C.A. Westerlund, 1898) Kyrgyzstan18,6 mm
Xerocrassa seetzeni (L. Pfeiffer, 1847) Iraq17,1 mm
Euomphalia selecta (I. Krynicki, 1837) Caucasus9 mm
Harmozica selecta (B. Klika, 1894) Armenia
Cernuella selmaniana R.A.M. Brandt, 1959 Libya14 mm
Hygromia semirugosa (W. Kobelt) Morocco, cap Cantin14,65 mm
Abchasohela septentrionalis B. Hausdorf, 2001 Caucasus