Zemitrella pura (E.C. Von Martens, 1903)
Zemitrella purpureocincta (J.C. Verco, 1910)
Parvanachis pygmaea (G.B. I Sowerby, 1832)
Parvanachis pygmaea dalli (P. Bartsch, 1931)
Steironepion pygmaeum (C.B. Adams, 1850)
Columbellopsis pyramidalis (G.B. III Sowerby, 1894)
Dorsina quirosana (FOSSIL) (F. Hodson, 1931 †)
Recurvina radicensis (FOSSIL) P.O. Jung, 1989 †
Anachis radwini C.O. Van Regteren Altena,1975
Cotonopsis radwini P.O. Jung, 1989
Salitra radwini L.N. Marincovich, 1973
Zafra rapanuiensis B.K. Raines, 2002
Mitrella raphaeli J. Drivas & M. Jay, 1990
Astyris raveneli (W.H. Dall, 1889)
Anachis raysutana K.R. Smythe, 1985
Anachis rechonchuda Lima & Guimarães, 2015
Strombina recurva (G.B. I Sowerby, 1832)
Anachis reedi (P. Bartsch, 1928)
Zemitrella regis A.W.B. Powell, 1940
Mitrella regnardi (J.M.R.M. Viader, 1938)
Cosmioconcha rehderi (L.G. Hertlein& A.M. Strong, 1951)
Anachis remoensis (J.H. Gatliff& C.J. Gabriel, 1910)
Anachis renatae E. de C. Rios, 2009
Mitrella repens P. Lozouet, 2015
Amphissa reticulata W.H. Dall, 1916
Mitrella reunionensis J. Drivas & M. Jay, 1990
Anachis rhodae G.E. Radwin, 1968
Anachis richardi (P. Dautzenberg& H. Fischer, 1906)
Nassarina rietae W. Segers & F. Swinnen,2004
Cosmioconcha rikae D. Monsecour & D. Monsecour,2006
Anachis rissoides (FOSSIL) (J.P.S. Grateloup,1834 †)
Anachis rissoides? (J.P.S. Grateloup, 1834)
Anachis ritteri (L.G. Hertlein& A.M. Strong, 1951)
Anachis roberti D. Monsecour & D. Monsecour,2006
Astyris rolani J. Espinosa, R. Fernández-Garcés& J.A. Ortea, 2004