Ocenebra inornata (C.A. Récluz, 1851)
Ceratostoma inornatum (FOSSIL) (Recluz, 1851 †)
Murex inornatus (FOSSIL) A.H.E. Beyrich, 1854 †
Leptoconchus inpileus E. Gittenberger& A. Gittenberger, 2011
Leptoconchus inpleuractis E. Gittenberger& A. Gittenberger, 2011
Leptoconchus inscruposa E. Gittenberger& A. Gittenberger, 2011
Leptoconchus inscutaria E. Gittenberger& A. Gittenberger, 2011
Afritrophon insignis (G.B. III Sowerby, 1900)
Typhinellus insolitus (R. Houart, 1991)
Scabrotrophon inspiratum R. Houart, 2003
Chicoreus insularum (H.A. Pilsbry, 1921)
Leptoconchus intalpina E. Gittenberger& A. Gittenberger, 2011
Ocinebrina interfossa (P.P. Carpenter, 1864)
Ocinebrina interfossa atropurpurea (P.P. Carpenter, 1865)
Eupleura intermedia (FOSSIL) W.H. Dall, 1890 †
Menathais intermedia (L.C. Kiener, 1836)
Haustrum intermedium (FOSSIL) (Powell & J.A. Bartrum,1929 †)
Mipus intermedius S. Kosuge, 1985
Typhis intermedius (FOSSIL) L.M.D. Bellardi, 1872 †
Murexsul interserratus (G.B. II Sowerby, 1879)
Morula iostoma L.A. Reeve, 1844
Hexaplex iravadicus E.W. Vredenburg, 1921
Favartia iredalei W.F. Ponder, 1972
Africanella isaacsi (R. Houart, 1984)
Favartia isabelae R. Houart & J. Rosado,2008
Pseudoperissolax iseakai (FOSSIL) K. Oyama & A. Mizuno,1958 †
Hirtomurex isshikiensis (T. Shikama, 1971)
Trophon isthmicus (FOSSIL) Bose, 1906 †
Abyssotrophon ivanovi R.V. Egorov, 1993
Coralliophila iwaensis (FOSSIL) F.S. MacNeil, 1960 †
Muricodrupa jacobsoni W.K. Emerson & D'Attilio,1981
Typhinellus jacolombi R. Houart, 2015
Murexsul jacquelinae W.K. Emerson & D'Attilio,1969
Favartia jacquesi (J. Espinosa & J.A. Ortea,2016)
Trophonopsis jacundus (K.H.J. Thiele)