Bulimus raymondi J.R. Bourguignat, 1863
Drymaeus recedens (L. Pfeiffer, 1864)
Mesembrinus recluzianus (L. Pfeiffer, 1847)
Mesembrinus rectilinearis (L. Pfeiffer, 1855)
Bostryx reedi J.J. Parodíz, 1947
Bostryx reentsi R.A. Philippi, 1851
Bulimulus regina (T.E. Bowdich ex A.E.J. Férussac, 1822)
Drymaeus regularis H.C. Fulton, 1905
Elatibostryx rehderi W.K. Weyrauch, 1960
Drymaeus rehderi J.J. Parodíz, 1962
Naesiotus reibischii W.H. Dall, 1895
Scutalus revinctus L.H. Hupé, 1857
Drymaeus rex A.S.H. Breure, 2009
Naesiotus rhabdotus F. Haas, 1951
Drymaeus rhoadsi H.A. Pilsbry, 1932
Peronaeus rhodacme (L. Pfeiffer, 1842)
Bostryx rhodolarynx (L.A. Reeve, 1849)
Bostryx rhodolarynx apurimacensis W.H. Dall, 1917
Bostryx rhodolarynx papillatus (P.M.A. Morelet, 1860)
Auris rhodospira V.L.V. Potiez & A. Michaud,1835
Bulimulus riisei L. Pfeiffer, 1855
Naesiotus rimatus (L. Pfeiffer, 1847)
Naesiotus rivasii (A.V.M.D. D'Orbigny,1837)
Naesiotus rocayanus (A.V.M.D. D'Orbigny,1835)
Bostryx rodriguezae W.K. Weyrauch, 1967
Drymaeus rosalbus H.A. Pilsbry, 1932
Mesembrinus roseatus (L.A. Reeve, 1848)
Drymaeus rosenbergi S.I. Da Costa, 1906
Lissoacme rouaulti (L.H. Hupé, 1857)
Bostryx rubescens L.A. Reeve, 1848
Drymaeus rubrovariegatus H.C. Higgins, 1868
Mesembrinus rudis (H.E. Anton, 1839)
Bostryx rudisculptus J.J. Parodíz, 1956
Mesembrinus rufescens (J.E. Gray, 1825)
Drymaeus rufolineatus H. Drouët, 1859