Improvisa pupoides (I. Krynicki, 1833)
Mastus pusio (W.J. Broderip, 1836)
Napaeus pygmaeus C.M. Ibáñez & M.R. Alonso,1993
Petraeomastus qii S.Y. Wang & Min Wu, 2013
Jaminia quadridens (O.F. Müller, 1774)
Jaminia quadridens elongata (A. Moquin-Tandon, 1856)
Chondrula quinquedentata E.A. Rossmässler, 1837
Caucasicola raddei (W. Kobelt, 1880)
Euchondrus ramonensis (Granot, 1988)
Pseudonapaeus regelianus (C.M.F. Ancey, 1886)
Mirus reinianus (W. Kobelt, 1875)
Adzharia renschi P. Hesse, 1933
Luchuena reticulata (L.A. Reeve, 1849)
Luchuena reticulata variegata (C.M.F. Ancey, 1906)
Pseudonapaeus retrodens (E.C. Von Martens, 1879)
Imparietula ridvani H. Schütt, 1995
Mastus riedeli W.J.M. Maassen, 1995
Napaeus roccellicola (P.B. Webb & S. Berthelot,1833)
Mastus rossmaessleri L. Pfeiffer, 1846
Mastus rossmaessleri gocevi J. Petrbok
Napaeinus rufobrunneus (T.V. Wollaston, 1878)
Mirus rugulosus O.F. von Möllendorff,1900
Petraeomastus rumichangensis H.A. Pilsbry, 1934
Peristoma rupestris I. Krynicki, 1833
Napaeus rupicola (A. Mousson, 1872)
Euchondrus saulcyi (J.R. Bourguignat, 1852)
Napaeus savinosa (T.V. Wollaston, 1878)
Napaeus savinosa inflatiuscula (T.V. Wollaston, 1878)
Coccoderma scaber (A.R.J.B. Bavay& P. Dautzenberg, 1912)
Turanena scalaris (G. Nägele, 1902)
Imparietula schelkovnikovi (O.W. Von Rosen, 1914)
Pseudonapaeus schileykoi Z.I. Izzatullaev, 1991
Retowskia schlaeflii (A. Mousson, 1863)
Pseudonapaeus schnitnikovi W.A. Lindholm, 1922
Akramovskiella schuschaensis (W. Kobelt, 1902)