Teracharopa rara W.J.M. Maassen, 2000
Suteria raricostata R.A. Cumber, 1962 New Zealand
Climocella rata J.F. Goulstone, 1996 New Zealand, North Island
Biomphalopa recava (C. Hedley, 1912) Queensland
Sinployea recursa G.A. Solem, 1983 Fiji, Vanua Levu
Cavellia reeftonensis (H.H. Suter, 1892) New Zealand, Reefton
Climocella reinga J.F. Goulstone, 1996 New Zealand, Cape Reinga
Helenoconcha relicta G.A. Solem, 1977 Saint Helena
Luinodiscus repens T. Iredale, 1939 Western Australia
Epinicium restifer T. Iredale, 1939 Australia
Ruthvenia retifera (L. Pfeiffer, 1845) India, Cuddalore
Elsothera ricei (J.W. Brazier, 1871) Tasmania
Amphidoxa rigophyla (J.F. Mabille& A. de Rochebrune, 1885) Argentina, Tierra del Fuego
Paracharopa rimu F.M. Climo, 1985 New Zealand, South Island
Chaureopa roscoei F.M. Climo, 1985 New Zealand
Otoconcha roscoei F.M. Climo, 1971 New Zealand, North Island
Ptychodon roscoei F.M. Climo, 1978 New Zealand
Cavellia roseveari (H.H. Suter, 1896) New Zealand
Semperdon rotanus G.A. Solem, 1983
Himeroconcha rotula (J.F. Quadras& O.F. von Möllendorff, 1894) Philippines
Sinployea rotumana (E.A. Smith, 1897) Fiji, Vanua Levu
Kermodon royanum (T. Iredale, 1913) Norfolk Island
Trachycystis rudicostata M. Connolly, 1923 South Africa2,2 mm
Sinployea rudis (A. Garrett, 1872) Cook Islands
Climocella runga J.F. Goulstone, 1997
Chaureopa rustica (H.H. Suter, 1894) New Zealand
Allodiscus saisseti (R.P. Montrouzier, 1860) New Caledonia5 mm
Dentherona saturni (J.C. Cox, 1864) New South Wales
Reticulapex scaber (K.C. Emberton& T.A. Pearce, 1999) Madagascar, Tulear
Ptychodon schuppi (H.H. Suter, 1900) New Zealand
Flammocharopa scindocataracta (C.J. Gabriel, 1930) Australia, Lorne
Climocella segregata (H.H. Suter, 1894) New Zealand, North Island
Amphidoxa selkirki E.A. Smith, 1884 Chile, Juan Fernandez Island
Charopinesta sema T. Iredale, 1944 Australia, Lord Howe Island
Elsothera sericatula (L. Pfeiffer, 1849) Australia, Sydney