Strophiops scalarinum (J. Gundlachin L. Pfeiffer, 1860)
Cerion scopulorum C.G. Aguayo & M.L. Jaume,1951
Strophiops scripta C.J. Maynard, 1896
Cerion sculptum F. Poey, 1858
Strophiops scutata C.J. Maynard & W.F. Clapp,1921
Cerion semipolita (C.J. Maynard & W.F. Clapp,1920)
Cerion shrevei W.J. Clench & C.G. Aguayo,1952
Strophiops similaria C.J. Maynard & W.F. Clapp,1921
Cerion sisal W.J. Clench & C.G. Aguayo,1952
Cerion sladeni H.A. Pilsbry & H. Black,1930
Cerion smithii H.A. Pilsbry, 1902
Strophiops sparsa C.J. Maynard, 1924
Cerion stevensoni (W.H. Dall, 1900)
Cerion striata H.C.F. Schumacher, 1817
Cerion striatellum F.E. Guérin-Méneville,1829
Cerion stritela (G. Humphrey, 1797)
Cerion strobilus H.H. Beck, 1837
Strophiops stroutii C.J. Maynard & W.F. Clapp,1920
Strophiops stupida C.J. Maynard & W.F. Clapp,1921
Cerion subcylindrica H.H. Beck, 1837
Strophiops sueyrasi H.A. Pilsbry & E.G. Vanatta,1899
Strophiops sula C.J. Maynard & W.F. Clapp,1915
Strophiops sylvatica C.J. Maynard & W.F. Clapp,1921
Strophiops tabida C.J. Maynard, 1913
Cerion tanamensis M.I. Sánchez Roig, 1951
Strophiops tenucostata C.J. Maynard & W.F. Clapp,1920
Strophiops tenui C.J. Maynard & W.F. Clapp,1915
Cerion tenuilabris (J. Gundlachin L. Pfeiffer, 1870)
Strophiops territa C.J. Maynard, 1920
Strophiops thayeri C.J. Maynard & W.F. Clapp,1921
Strophiops thompsoni C.J. Maynard & W.F. Clapp,1915
Strophiops thorndikei C.J. Maynard, 1894
Cerion torrei Blanes in H.A. Pilsbry& E.G. Vanatta, 1898
Cerion torrei humberti W.J. Clench & C.G. Aguayo,1949
Cerion torrei moralesi W.J. Clench & C.G. Aguayo,1951