Cerion gundlachi tantillum C.G. Aguayo & M.L. Jaume,1951
Brasilennea guttula (FOSSIL) R.B. Salvador& L.R.L. Simone, 2012 †
Strophiops hartbennetii C.J. Maynard & W.F. Clapp,1921
Cerion hedwigiae H.P. Plate, 1907
Cerion hendersoni C. de la Torre
Cerion herrerai C.G. Aguayo & M.L. Jaume,1951
Cerion hessei W.J. Clench & C.G. Aguayo,1949
Strophiops hesternia C.J. Maynard & W.F. Clapp,1915
Cerion heterodon H.A. Pilsbry, 1902
Cerion hologlyptum H.A. Pilsbry, 1902
Cerion hondana H.A. Pilsbry, 1902
Cerion hughesi W.J. Clench, 1952
Cerion huntingtoni W.J. Clench, 1952
Strophiops hyattii C.J. Maynard, 1913
Cerion hyperlissum H.A. Pilsbry & E.G. Vanatta,1896
Strophiops ianthina (C.J. Maynard, 1889)
Strophiops imperfecta C.J. Maynard & W.F. Clapp,1920
Cerion inaguense W.J. Clench, 1933
Cerion incanum W.G. Binney, 1851
Cerion incanum fasciatum W.G. Binney, 1851
Cerion incanum saccharimeta H.A. Pilsbry & E.G. Vanatta,1899
Cerion incanum vaccinum H.A. Pilsbry, 1902
Strophiops inconspicuum W.H. Dall, 1905
Strophiops inconspicuum lacunorum W.H. Dall, 1905
Cerion incrassatum (G.B. Sowerby, 1876)
Strophiops inexpecta C.J. Maynard & W.F. Clapp,1920
Mexistrophia inexpectata F.G. Thompson, 2011
Cerion infandum (R.J. Shuttleworthin F. Poey, 1858)
Cerion infandum infandulum C.G. Aguayo& C. de la Torre, 1951
Strophiops inflata (C.J. Maynard, 1889)
Cerion inquita (C.J. Maynard & W.F. Clapp,1920)
Strophiops intentata C.J. Maynard & W.F. Clapp,1920
Strophiops intercalaria C.J. Maynard & W.F. Clapp,1921
Strophiops intermedia (C.J. Maynard, 1889)
Cerion iostomum (L. Pfeiffer, 1854)