Baryspira pseudoaustralis (FOSSIL) R. Tate, 1889 †
Amalda pullarium T. Ninomiya, 1991
Agaronia pupa (FOSSIL) Sowerby, 1840 †
Amalda pusagnensis (FOSSIL) J.M. Pacaud, D. Merle& Pons, 2013 †
Amalda raoulensis (A.W.B. Powell, 1967)
Ancilla raulini (FOSSIL) M.A. Peyrot, 1925 †
Agaronia razetoi G.L. Terzer, 1992
Oliva reclusa F.P. Marrat, 1871
Americoliva recourti E.J. Petuch & R.F. Myers,2014
Amalda reevei (E.A. Smith, 1904)
Sparella rembangensis (FOSSIL) Martin, 1906 †
Americoliva reticularis (J.B.P.A. Lamarck, 1811)
Americoliva reticularis ernesti (E.J. Petuch, 1990)
Americoliva reticularis olorinella (P.L. Duclos, 1835)
Oliva reticulata (P.F. Röding, 1798)
Oliva reticulata azona P. Dautzenberg, 1927
Oliva reticulata evania P.L. Duclos, 1840
Oliva reticulata pallida P. Dautzenberg, 1927
Oliva reticulata viridescens F.P. Marrat, 1870
Oliva reticulata zebra H.C. Küster, 1878
Omogymna richerti (E.A. Kay, 1979)
Amalda rimuensis (FOSSIL) (Olson, 1956 †)
Ancilla ripaudi (FOSSIL) (Vasseur, 1881 †)
Baryspira robusta (FOSSIL) J. Marwick, 1924 †
Ancillista rosadoi L. Bozzetti & G.L. Terzer,2004
Amalda roscoae R.N. Kilburn, 1975
Alocospira rosea J.H. Macpherson, 1959
Oliva roseae (FOSSIL) E.J. Petuch, 1991 †
Amalda rottnestensis T. Ninomiya, 1991
Ancilla rouillardi R.N. Kilburn, 1981
Amalda rubiginosa (W.J. Swainson, 1823)
Amalda rubrofasciata T. Ninomiya, 1991
Oliva rubrolabiata H. Fischer, 1903
Oliva rucksorum (FOSSIL) E.J. Petuch, 1994 †
Oliva rufofulgurata M.M. Schepman, 1904