Pseudopusula rota (H.C. Weinkauff, 1881)
Niveria rubescens (J.E. Gray, 1833)
Dolichupis rubinicolor (J.S. Gaskoin, 1836)
Hespererato rubra D. Fehse, 2016
Triviella rubra (H.O.N. Shaw, 1909)
Purpurcapsula rubramaculosa (D. Fehse & J. Grego,2002)
Trivellona rugosa Fehse, 2017
Cleotrivia rustica D. Fehse, 2015
Trivellona sagamiensis J.T. Kuroda & T. Habe,1971
Gregoia salebrosa Fehse, 2017
Trivellona samadiae D. Fehse, 2015
Trivellona samarensis (C.N. Cate, 1979)
Triviella sanctispiritus (T. Shikama, 1974)
Sulcerato sandwichensis (G.B. II Sowerby, 1859)
Pseudopusula sanguinea (G.B. II Sowerby, 1832)
Hespererato scabriuscula (G.B. II Sowerby, 1832)
Trivirostra scabriuscula (Gray, 1828)
Trivellona schepmani (F.A. Schilder, 1941)
Cypraeerato schneideri (F.A. Schilder, 1933)
Niveria selmae (O. Böttger, 1901)
Lachryma senectus (FOSSIL) R. Murdoch, 1924 †
Bellerato sepositum (FOSSIL) (C.R. Laws, 1935 †)
Eratoena septentrionalis (C.N. Cate, 1977)
Trivellona sharonae (B. Hayes, 1993)
Trivirostra shawi F.A. Schilder, 1933
Trivellona shimajiriensis (F.S. MacNeil, 1961)
Trivellona sibogae (M.M. Schepman, 1909)
Notoficula signyensis P.G. Oliver, 1983
Niveria simonei Fehse, 2016
Archierato simulacrum (FOSSIL) C.R. Laws, 1939 †
Eratoena smithi (F.A. Schilder, 1933)
Pusula solandri (G.B. II Sowerby, 1832)
Trivellona speciosa (J.T. Kuroda& C.N. Cate in C.N. Cate, 1979)
Trivia sphaericulata (FOSSIL) (J.B.P.A. Lamarck,1810 †)
Trivirostra sphaeroides F.A. Schilder, 1933