Neorapana imperialis (FOSSIL) L.G. Hertlein & Jorda,1927 †
Rapana imperialis (FOSSIL) L.G. Hertlein, 1927 †
Monstrotyphis imperialis (A.M. Keen & G.B. Campbell,1964)
Trophon imperspicuum (FOSSIL) Wood, 1848 †
Panamurex improcerus (FOSSIL) E.H. Vokes, 1992 †
Leptoconchus inactiniformis E. Gittenberger& A. Gittenberger, 2011
Leptotrophon inaequalis R. Houart, 1995
Leptoconchus inalbechi E. Gittenberger& A. Gittenberger, 2011
Xymenella inambitiosa (FOSSIL) J. Marwick, 1929 †
Ocinebrina inbricata (FOSSIL) (G.B. Brocchi, 1814 †)
Favartia incisa (W.J. Broderip, 1833)
Leptoconchus incrassa E. Gittenberger& A. Gittenberger, 2011
Rapa incurva (R.W. Dunker, 1852)
Pteropurpura incurvispina R.N. Kilburn, 1970
Leptoconchus incycloseris E. Gittenberger& A. Gittenberger, 2011
Dermomurex indentatus (P.P. Carpenter, 1857)
Babelomurex indicus (E.A. Smith, 1899)
Babelomurex indicus michikoae (T. Shikama, 1978)
Murex indicus R. Houart, 2011
Inermicosta inermicosta (E.H. Vokes, 1964)
Spinidrupa infans (E.A. Smith, 1884)
Coralliophila infantula S. Kosuge, 1985
Rugobela infelix (FOSSIL) (H.H. Suter, 1917 †)
Coralliophila inflata (R.W. Dunker, 1847)
Phyllonotus infrequens (FOSSIL) E.H. Vokes, 1963 †
Dermomurex infrons E.H. Vokes, 1974
Leptoconchus infungites E. Gittenberger& A. Gittenberger, 2011
Ingensia ingens (R. Houart, 1987)
Ocinebrina ingloria (J.C.H. Crosse, 1865)
Afritrophon inglorius R. Houart, 1987
Leptoconchus ingrandifungi E. Gittenberger& A. Gittenberger, 2011
Leptoconchus ingranulosa E. Gittenberger& A. Gittenberger, 2011
Chicoreus ingridmariae R. Houart, 2010
Leptoconchus inlimax E. Gittenberger& A. Gittenberger, 2011
Ocinebrina inordinata (R. Houart & A.D. Abreu,1994)