Triphora rufotincta (S. Kosuge, 1963)
Nanaphora rufozonata C.F. Laseron, 1958
Monophorus rufulus (R.B. Watson, 1886)
Metaxia rugulosa (C.B. Adams, 1850)
Triphora rushii W.H. Dall, 1889
Subulophora rutilans (R.P.J. Hervier, 1898)
Inella ryosukei (S. Kosuge, 1963)
Triphora sabita P. Bartsch, 1915
Inella sagamiensis (J.T. Kuroda & T. Habe,1971)
Aclophora sagei E. Rolán& R. Fernández-Garcés, 1995
Nototriphora sarcira (C.F. Laseron, 1954)
Opimaphora sarcira C.F. Laseron, 1958
Inella sarissa (W.H. Dall, 1889)
Triphora scala K.H. Barnard, 1963
Triphora sceptrum K.H.J. Thiele, 1925
Triphora schmidti M.M. Schepman, 1909
Hedleytriphora scitula (A. Adams, 1854)
Inella sculpta (R.B. Hinds, 1843)
Triphora scylla Fernandes & A. Pimenta,2015
Viriola senafirensis (R. Sturany, 1903)
Obesula senilis F.P. Jousseaume, 1898
Strobiligera sentoma (W.H. Dall, 1927)
Costatophora serana (P.J. Fischer, 1927)
Cautotriphora serrata (S. Kosuge, 1974)
Mastonia servaini F.P. Jousseaume, 1884
Triphora shepstonensis E.A. Smith, 1906
Coriophora shihi (C.K. Chang & W.L. Wu,2005)
Similiphora similior (P. Bouchet & H. Guillemot,1978)
Cautor similis (W.H. Pease, 1871)
Cautotriphora simulans (FOSSIL) (C.R. Laws, 1940 †)
Isotriphora simulata B.A. Marshall, 1983
Ogivia singularis (FOSSIL) (G.P. Deshayes, 1864 †)
Triphora sinistrorsa (FOSSIL) G.P. Deshayes, 1833 †
Inella slapcinskyi E. Rolán& R. Fernández-Garcés, 2008
Triphora slevini F. Baker, 1926