Siphonochelus rosadoi R. Houart, 1999
Favartia rosamiae (D'Attilio & B.W. Myers,1985)
Triplex rosaria G. Perry, 1810
Takia rosarium (P.F. Röding, 1798)
Takia rosarium beckii (R.A. Philippi, 1847)
Orania rosea R. Houart, 1996
Favartia rosea T. Habe, 1961
Muricopsis rosea (L.A. Reeve, 1856)
Coralliophila roseocephala S. Kosuge, 1986
Favartia roseotincta R. Houart & S. Gori, 2011
Scabrotrophon rossicus (R.V. Egorov, 1993)
Chicoreus rossiteri (J.C.H. Crosse, 1872)
Murexsul rostralis (FOSSIL) (J.P.S. Grateloup,1847 †)
Magilus rostratus (A. Adams, 1864)
Neorapana rotundata (FOSSIL) Gibson-Smith& G.J. Vermeij, 1997 †
Boreotrophon rotundatus W.H. Dall, 1902
Califostoma rotundivaricosum (FOSSIL) Bean & Vermeij, 2016 †
Crassimurex rouaulti (FOSSIL) (A.E.M. Cossmann, 1923 †)
Pterorytis roxaneae (FOSSIL) E.J. Petuch, 1994 †
Chicoreus rubescens (W.J. Broderip, 1833)
Haustrum rubidus (FOSSIL) Perry 1811 †
Timbellus rubidus (R. Houart, 2001)
Vokesimurex rubidus (F.C. Baker, 1897)
Vokesimurex rubidus panamicus (E.J. Petuch, 1990)
Coralliophila rubrococcinea J.C. Melvill & R. Standen,1901
Drupa rubusidaeus P.F. Röding, 1798
Urosalpinx rucksorum (FOSSIL) E.J. Petuch, 1994 †
Hexaplex rudis (FOSSIL) S. Borson, 1821 †
Hexaplex rudis sedgwicki O.G. Michelotti, 1847
Litozamia rudolphi (J.W. Brazier, 1894)
Pterynotus rufirupicolus (FOSSIL) W.H. Dall, 1916 †
Pascula rufonotata (P.P. Carpenter, 1864)
Indothais rufotincta (S.K. Tan& J.B. Sigurdsson, 1996)
Acanthina rugosa (FOSSIL) DeVries, 2003 †
Drupella rugosa (I. von Born, 1778)