Teracharopa rara W.J.M. Maassen, 2000
Suteria raricostata R.A. Cumber, 1962
Climocella rata J.F. Goulstone, 1996
Biomphalopa recava (C. Hedley, 1912)
Sinployea recursa G.A. Solem, 1983
Cavellia reeftonensis (H.H. Suter, 1892)
Climocella reinga J.F. Goulstone, 1996
Helenoconcha relicta G.A. Solem, 1977
Luinodiscus repens T. Iredale, 1939
Epinicium restifer T. Iredale, 1939
Ruthvenia retifera (L. Pfeiffer, 1845)
Elsothera ricei (J.W. Brazier, 1871)
Amphidoxa rigophyla (J.F. Mabille& A. de Rochebrune, 1885)
Paracharopa rimu F.M. Climo, 1985
Chaureopa roscoei F.M. Climo, 1985
Otoconcha roscoei F.M. Climo, 1971
Ptychodon roscoei F.M. Climo, 1978
Cavellia roseveari (H.H. Suter, 1896)
Semperdon rotanus G.A. Solem, 1983
Himeroconcha rotula (J.F. Quadras& O.F. von Möllendorff, 1894)
Sinployea rotumana (E.A. Smith, 1897)
Kermodon royanum (T. Iredale, 1913)
Trachycystis rudicostata M. Connolly, 1923
Sinployea rudis (A. Garrett, 1872)
Climocella runga J.F. Goulstone, 1997
Chaureopa rustica (H.H. Suter, 1894)
Allodiscus saisseti (R.P. Montrouzier, 1860)
Dentherona saturni (J.C. Cox, 1864)
Reticulapex scaber (K.C. Emberton& T.A. Pearce, 1999)
Ptychodon schuppi (H.H. Suter, 1900)
Flammocharopa scindocataracta (C.J. Gabriel, 1930)
Climocella segregata (H.H. Suter, 1894)
Amphidoxa selkirki E.A. Smith, 1884
Charopinesta sema T. Iredale, 1944
Elsothera sericatula (L. Pfeiffer, 1849)