Improvisa pupoides (I. Krynicki, 1833) Armenia
Mastus pusio (W.J. Broderip, 1836) Greece
Napaeus pygmaeus C.M. Ibáñez& M.R. Alonso, 1993 Canary Islands
Petraeomastus qii S.Y. Wang & Min Wu, 2013
Jaminia quadridens (O.F. Müller, 1774) Spain15 mm
Jaminia quadridens elongata (A. Moquin-Tandon, 1856) France, Ubaye10 mm
Chondrula quinquedentata E.A. Rossmässler, 1837 Italy, Friuli
Caucasicola raddei (W. Kobelt, 1880) Caucasus24,2 mm
Euchondrus ramonensis (Granot, 1988) Israel
Pseudonapaeus regelianus (C.M.F. Ancey, 1886) Kazakhstan
Mirus reinianus (W. Kobelt, 1875) Japan, Aichi28,8 mm
Adzharia renschi P. Hesse, 1933 Russia
Luchuena reticulata (L.A. Reeve, 1849) Japan, Kagoshima16 mm
Luchuena reticulata variegata (C.M.F. Ancey, 1906) Okinawa16 mm
Pseudonapaeus retrodens (E.C. Von Martens, 1879) Uzbekistan7 mm
Imparietula ridvani H. Schütt, 1995 Hungary
Mastus riedeli W.J.M. Maassen, 1995 Greece
Napaeus roccellicola (P.B. Webb& S. Berthelot, 1833) Canary Islands, Tenerife9 mm
Mastus rossmaessleri L. Pfeiffer, 1846 Bulgaria
Mastus rossmaessleri gocevi J. Petrbok Bulgaria, Varna16 mm
Napaeinus rufobrunneus (T.V. Wollaston, 1878) Canary Islands10 mm
Mirus rugulosus O.F. von Möllendorff,1900 Japan, Fukuoka
Petraeomastus rumichangensis H.A. Pilsbry, 1934 China, Chengdu18 mm
Peristoma rupestris I. Krynicki, 1833 Caucasus12 mm
Napaeus rupicola (A. Mousson, 1872) Canary Islands11,5 mm
Euchondrus saulcyi (J.R. Bourguignat, 1852) Israel9 mm
Napaeus savinosa (T.V. Wollaston, 1878) Canary Islands
Napaeus savinosa inflatiuscula (T.V. Wollaston, 1878) Canary Island, La Gomera
Coccoderma scaber (A.R.J.B. Bavay& P. Dautzenberg, 1912) Vietnam, Pa Khà
Turanena scalaris (G. Nägele, 1902) Armenia
Imparietula schelkovnikovi (O.W. Von Rosen, 1914) Azerbaijan
Pseudonapaeus schileykoi Z.I. Izzatullaev, 1991
Retowskia schlaeflii (A. Mousson, 1863) Russia, Georgia
Pseudonapaeus schnitnikovi W.A. Lindholm, 1922 Kazakhstan
Akramovskiella schuschaensis (W. Kobelt, 1902) Armenia