Naria irrorata (J.E. Gray, 1828)
Luria isabella (C. Linnaeus, 1758)
Luria isabella rumphii F.A. Schilder & M. Schilder,1938
Luria isabellamexicana (R.E.C. Stearns, 1893)
Luria isabellaprimitiva (FOSSIL) B.M. Landau & Groves,2011 †
Muracypraea isthmica (FOSSIL) (Schilder, 1927 †)
Zoila itoigawai (FOSSIL) M. Tomida, 1989 †
Cypraeovula iutsui (T. Shikama, 1974)
Cypraeovula iutsui atlantica (L. Raybaudi Massilia,1988)
Cypraeovula iutsui levissima L. Raybaudi Massilia,1995
Bernaya jeanae (FOSSIL) F.P. Jousseaume 1884 †
Zoila jeaniana (C.N. Cate, 1968)
Zoila jeaniana aurata L. Raybaudi Massilia,1979
Zoila jeaniana sherylae L. Raybaudi Massilia,1979
Zoila jeaniana thalamega F.Jr. Lorenz, 2002
Siphocypraea jenniferae (FOSSIL) E.J. Petuch, 1998 †
Macrocypraea joanneae (FOSSIL) E.J. Petuch, 2004 †
Palmadusta johnsonorum F.Jr. Lorenz, 2002
Notocypraea jonesiana (FOSSIL) R. Tate, 1890 †
Siphocypraea josiai (FOSSIL) D. Fehse, 1997 †
Lyncina joyceae (P.W. Clover, 1970)
Siphocypraea kalafuti (FOSSIL) E.J. Petuch, 1994 †
Palmulacypraea katsuae (J.T. Kuroda, 1960)
Palmulacypraea katsuae guidoi (F.Jr. Lorenz, 2002)
Cypraea kayei (FOSSIL) E. Forbes, 1846 †
Siphocypraea kelleyi (FOSSIL) E.J. Petuch, 1998 †
Propustularia kemperae (FOSSIL) (R.N. Nelson, 1925 †)
Afrozoila kendengensis (FOSSIL) (F.A. Schilder, 1941 †)
Cypraeorbis kendrewi (FOSSIL) E.J. Petuch, 1997 †
Cypraeovula kesslerorum F.Jr. Lorenz, 2006
Siphocypraea ketteri (FOSSIL) E.J. Petuch, 1994 †
Zoila ketyana (L. Raybaudi Massilia,1978)
Zoila ketyana bataviensis F.Jr. Lorenz & H. Morrison,2001
Bistolida kieneri (J.G. Hidalgo, 1906)
Bistolida kieneri depriesteri F.A. Schilder, 1933