Pleurotomoides imperati (FOSSIL) (A. Scacchi, 1835 †)
Etremopsis imperfecta (FOSSIL) (H.H. Suter, 1917 †)
Comarmondia inflata (G.J. De Cristofori& G. Jan, 1832) Italy, Ponza16,5 mm
Clathurella inflexa (E.C. Von Martens, 1881)
Glyphostoma infracincta (G.B. III Sowerby, 1893)
Lienardia innocens (K.H.J. Thiele, 1925) Réunion5 mm
Glyphostoma inornatum (FOSSIL) B.M. Landau, F. Da Silva& S.M. Heitz, 2016 † Venezuela
Clathurella intercalaris (P.P. Carpenter, 1856) West America
Clathurella iospira (R.P.J. Hervier, 1897)
Clathurella irretita C. Hedley, 1899
Pleurotomoides isabelae (FOSSIL) B.M. Landau & al., 2013 † Turkey
Glyphostoma ischnon (FOSSIL) J. Gardner, 1937 † Florida, Alum Bluff formation15 mm
Glyphostoma jousseaumei R.P.J. Hervier, 1896
Etrema kaipara (FOSSIL) Powell, 1942 †
Glyphostoma kihikihi E.A. Kay, 1979 Hawaii
Etrema kitcheni C.F. Laseron, 1954 New South Wales
Comarmondia kovacsi Varga & Páll-Gergely,2017
Paraclathurella koweitensis (J.C. Melvill, 1904)
Lienardia koyamai L. Bozzetti, 2007 South Africa, Natal9 mm
Etrema labiosa C. Hedley, 1922 Australia, Cairns
Glyphostoma lamproidea R.P.J. Hervier, 1896 New Caledonia, Lifou8,2 mm
Clathurella languida (L.A. Reeve, 1845)
Etrema lata (E.A. Smith, 1888)
Etremopsis latiapex (FOSSIL) Powell, 1942 †
Corinnaeturris leucomata (W.H. Dall, 1881) Strait of Gibraltar13 mm
Clathurella leucostigmata (R.P.J. Hervier, 1896) New Caledonia5,4 mm
Glyphostoma leucum (K.J. Bush, 1893) Barbados
Etrema leukospiralis C. Chen & Y.F. Huang,2005
Etrema levicosta C.F. Laseron, 1954 New South Wales
Antimitra lirata (A. Adams, 1865) Japan
Lienardia lischkeana (H.A. Pilsbry, 1904) Philippines, Negros Island4 mm
Clathromangelia loiselieri J.J. Oberling, 1970 Greece, Dilos Island4 mm
Acamptogenotia loustaui (FOSSIL) (J.B.P.A. Lamarck,1803 †) France, Paris Basin12 mm
Pleurotomoides luisae (FOSSIL) (A. von Koenen, 1872 †) Denmark14 mm
Lienardia lutea W.H. Pease, 1897 Australia, Lizard Island