Dermomurex kaicherae E.J. Petuch, 1987
Coralliophila kaiparaensis (FOSSIL) (P. Marshall, 1918 †)
Timbellus kaiparaensis (FOSSIL) (C.A. Fleming, 1962 †)
Coralliophila kalafuti (E.J. Petuch, 1987)
Favartia kalafuti (E.J. Petuch, 1987)
Scabrotrophon kamchatkanus (W.H. Dall, 1902)
Chicoreus kantori R. Houart & V. Héros,2013
Coralliophila kaofitorum R. Vega, R. Vega-Luz& A.A. Luque, 2002
Pygmaepterys karukerensis B. Garrigues & D. Merle,2014
Leptotrophon kastoroae R. Houart, 1997
Hexaplex katherinae (FOSSIL) E.H. Vokes, 1968 †
Acanthina katzi (FOSSIL) Fleming, 1972 †
Babelomurex kawamurai (T. Kira, 1959)
Hirtomurex kawamurai (T. Shikama, 1978)
Babelomurex kawanishii (S. Kosuge, 1979)
Trophonopsis kayae T. Habe, 1981
Favartia keenae (E.H. Vokes, 1970)
Rugotyphis keenae (FOSSIL) R.L. Gertman, 1969 †
Reishia keluo (S.K. Tan& J.B. Sigurdsson, 2001)
Agnewia kempae (FOSSIL) Powell, 1934 †
Chicomurex kendengensis (FOSSIL) (C.O. Van Regteren Altena, 1950 †)
Nassa kennardi (FOSSIL) Harmer †
Nassa kermodei (FOSSIL) Kendall †
Trophon kernensis (FOSSIL) (F.M. Anderson, 1938 †)
Favartia kernoi (R. Houart & M. Severns,2013)
Murex kerslakae W.F. Ponder & E.H. Vokes,1988
Attiliosa kevani E.H. Vokes, 1999
Murexsul khareefae R. Houart & R.G. Moolenbeek,2012
Murexsul kieneri (L.A. Reeve, 1845)
Concholepas kieneri (FOSSIL) L.H. Hupé, 1854 †
Vokesimurex kiiensis (T. Kira, 1959)
Vokesimurex kiiensis nagaidesu (T. Shikama, 1970)
Pazinotus kilburni (R. Houart, 1987)
Trialatella kilikiensis (FOSSIL) B.M. Landau & al., 2013 †
Latiaxis kincaidi W.H. Dall, 1919