Coralliophila kinkaidi W.H. Dall, 1919
Babelomurex kinoshitai (H.C. Fulton, 1930)
Thaisella kiosquiformis (P.L. Duclos, 1832)
Latiaxis kiranus (J.T. Kuroda, 1959)
Eupleura kissimmeensis (FOSSIL) E.J. Petuch, 1994 †
Trossulasalpinx kissimmeensis (FOSSIL) E.J. Petuch, 1994 †
Coralliophila klostermanni (FOSSIL) Wienrich, 2001 †
Coralliophila knudseni C. Smriglio & P. Mariottini,2000
Ecphora kochi (FOSSIL) Ward & Gilinsky, 1988 †
Chicoreus komiticus (FOSSIL) (H.H. Suter, 1917 †)
Semiricinula konkanensis (J.C. Melvill, 1893)
Poirieria kopua R.K. Dell, 1956
Bedeva kosslerae (FOSSIL) C. Nielsen, 2003 †
Xastilia kosugei P. Bouchet & R. Houart,1994
Enixotrophon kosunorum (R. Houart & T.C. Lan,2003)
Afritrophon kowieensis (G.B. III Sowerby, 1901)
Coralliophila kraemmeri J. Knudsen, 1956
Trophon kroteri H.P.C. Møller, 1842
Eupleura kugleri (FOSSIL) P.O. Jung, 1965 †
Haustellum kurodai T. Shikama, 1964
Favartia kurodai K. Nakamigawa & T. Habe,1964
Babelomurex kuroharai (T. Habe, 1970)
Hexaplex kusterianus (C.M. Tapparone-Canefri,1875)
Hexaplex kusterianus blazeki T. Cossignani, 2017
Hexaplex kusterianus bozzadamii (F. Franchi, 1990)
Reishia kyteistina (H.S. Holten, 1803)
Phyllonotus labelleensis (FOSSIL) E.J. Petuch, 1994 †
Typhinellus labiatus (G.J. De Cristofori& G. Jan, 1832)
Poirieria laccapoia (FOSSIL) (Gardner, 1947 †)
Panamurex laccopoia (FOSSIL) (J. Gardner, 1937 †)
Indothais lacera (I. von Born, 1778)
Chicomurex laciniatus (G.B. II Sowerby, 1841)
Typhina laciniatus (FOSSIL) (R. Tate, 1888 †)
Conchatalos lacrima (R. Houart, 1991)
Pagodula lacunella (W.H. Dall, 1889)