Cyclophorus pyrotrema W.H. Benson, 1854
Opisthoporus quadrasi (J.G. Hidalgo, 1888) Philippines
Opisthoporus quadrasi palawanensis (J.G. Hidalgo, 1888) Philippines, Palawan Island29,5 mm
Japonia quadricincta (E.A. Smith, 1895) Malaysia, Borneo
Cyclotus quelpartensis H.A. Pilsbry & Y. Hirase,1908
Japonia rabongensis (E.A. Smith, 1894) Malaysia, Borneo
Cyclophorus rafflesi W.J. Broderip& G.B. I Sowerby, 1829 Indonesia, West Java50 mm
Cyclophorus rafflesi eximius A. Mousson, 1848 Indonesia, Java57 mm
Cyclophorus rafflesi eximius rouyeri R.A. Bullen, 1906 Indonesia, Sumatra65,9 mm
Boucardicus rakotoarisoni K.C. Emberton& T.A. Pearce, 1999 Madagascar
Cyathopoma randalana K.C. Emberton& T.A. Pearce, 1999 Madagascar
Boucardicus randalanai K.C. Emberton& T.A. Pearce, 1999 Madagascar
Cyathopoma ranomafanae K.C. Emberton, 1994
Boucardicus ranomafanae K.C. Emberton, 1994 Madagascar
Chamalycaeus rathouisianus (P.M. Heude, 1882)
Theobaldius ravidus (W.H. Benson, 1851) India, Cuddalore
Cyclophorus reevei J.G. Hidalgo, 1866 Philippines, Palawan Island27 mm
Alycaeus regalis Foon & Liew, 2017
Leptopoma regulare (L. Pfeiffer) Malaysia, Borneo
Alycaeus reinhardti H.A. Pilsbry, 1900
Cyclotus reticulatus (E.C. Von Martens, 1867) Malaysia, Butang
Boucardicus reticulatus K.C. Emberton, 2002 Madagascar, Andriantantely
Opisthoporus rhiostoma P.V. Gredler, 1902 Malaysia, Borneo
Chamalycaeus richthofeni (W.T. Blanford, 1863)
Alycaeus rimatus O. Böttger, 1893 Malaysia, Borneo
Dicharax robustus Páll-Gergely & Hunyadi,2017
Alycaeus roebeleni O.F. von Möllendorff,1894 Thailand7 mm
Leptopoma roepstorffianum G. Nevill, 1878 Andaman & Nicobar Islands
Platyrhaphe rubrotinctus J.T. Kuroda & T. Kano,1941 Philippines
Pterocyclos rupestris (FOSSIL) (W.H. Benson, 1832 †) Sri Lanka
Cyathopoma rusteri E. Fischer-Piette, Ch.P. Blanc, F. Blanc& F. Salvat, 1993
Alycaeus sadongensis E.A. Smith, 1895 Malaysia, Borneo
Rhiostoma samuiense J.R. le B. Tomlin, 1931 Thailand, Ko Samui Island
Chamalycaeus satsumanus (H.A. Pilsbry, 1902) Japan, Tanegashima Island4,1 mm
Chamalycaeus satsumanus awaensis (H.A. Pilsbry& Y. Hirase, 1904) Ajiro, Ehime, Japan