Lucina inca (FOSSIL) A.A. Olsson, 1931 †
Levimyrtea inconspicua (FOSSIL) A.A. Olsson, 1964 †
Miltha incrassata (FOSSIL) (F. Dubois De Montpéreux,1831 †)
Miltha incrassata subscopulorum (FOSSIL) (Orbigny, 1852) †
Megaxinus incrassatus (FOSSIL) (Dubois, 1831 †)
Anodontia inflata (FOSSIL) Wagner & Schilling,1923 †
Miltha inflata (FOSSIL) Abbass, 1972 †
Elliptiolucina ingens T.A. Okutani, 2011
Nevenulora inornata (FOSSIL) (G.P. Deshayes, 1857 †)
Cryptophysema insulosa (D.W. Taylor & E.A. Glover,2005)
Tellidorella interlacinia (FOSSIL) D.T. Dockery, 1982 †
Codakia interrupta (J.B.P.A. Lamarck, 1818)
Parvilucina intusplicata (FOSSIL) (A.E.M. Cossmann, 1887 †)
Myrtea investigatoris R. von Cosel & P. Bouchet,2008
Divaricella irpex (Smith, 1885)
Notomyrtea itoensis (FOSSIL) Itoigawa 1960 †
Wallucina izuensis T.A. Okutani & A. Matsukuma,1982
Fimbria jamaicensis (FOSSIL) C.T. Trechmann, 1923 †
Pegophysema janus (FOSSIL) (W.H. Dall, 1903 †)
Lucinoma japonica T. Habe, 1958
Mesomiltha japonica (FOSSIL) Tashiro & Kozai 1988 †
Cardiolucina javanus (FOSSIL) C.H. Oostingh, 1935 †
Lamellolucina jawa D.W. Taylor & E.A. Glover,2002
Radiolucina jessicae E.A.R. Garfinkle, 2012
Phacoides johnsoni (FOSSIL) C.H. Oostingh, 1935 †
Cavatidens jonkeri (FOSSIL) (Martin, 1916 †)
Lucina jugosa E. Forbes, 1846
Parvilucina juvensis (FOSSIL) Stanton †
Lucinoma kamtschatica (FOSSIL) Krishtofovich, 1984 †
Gibbolucina kamtschatica (FOSSIL) (Pronina, 1969 †)
Pseudolucinisca kantori Glover & J.D. Taylor,2016
Graecina karinae R. von Cosel, 2006
Dulcina karubari R. von Cosel & P. Bouchet,2008
Lucinoma kastoroae R. von Cosel & P. Bouchet,2008
Lucinoma katayosensis (FOSSIL) N. Aoki, 1954 †