Phlyctiderma heroni (FOSSIL) Ward & B.W. Blackwelder,1987 †
Microstagon herouvalense (FOSSIL) (Deshayes) †
Microstagon herouvallense (FOSSIL) (G.P. Deshayes, 1858 †)
Diplodonta holosphaera J.C. Melvill, 1899
Diplodonta homalostriata (FOSSIL) W.P. Woodring, 1925 †
Diplodonta hopkinsiensis (FOSSIL) Clark, 1895 †
Diplodonta impolita S.S. Berry, 1953
Bruetia inaequalis (FOSSIL) (G.P. Deshayes, 1857 †)
Diplodonta incerta (FOSSIL) d'Archiac, 1850 †
Diplodonta inconspicua R.A. Philippi, 1845
Diplodonta indica (G.P. Deshayes, 1832)
Cycladicama indistincta (FOSSIL) Martin, 1879 †
Diplodonta inezensis (L.G. Hertlein& A.M. Strong, 1947)
Felaniella infrequens (FOSSIL) (J. Marwick, 1926 †)
Diplodonta ingens (FOSSIL) G.P. Deshayes, 1857 †
Diplodonta intermedia S. Biondi-Giunti, 1859
Diplodonta irradiata (FOSSIL) A.E.M. Cossmann, 1887 †
Numella jacksonensis (G.F. Angas, 1868)
Phlyctiderma japonicum (H.A. Pilsbry, 1895)
Minipisum japonicum T. Habe, 1961
Lamysia jousseaumei (É. Lamy, 1920)
Diplodonta knudseni M. Nicklés, 1955
Diplodonta lacrima (R.N. Kilburn, 1996)
Felaniella laevigata (FOSSIL) (G.P. Deshayes, 1825 †)
Microstagon laevigatum (FOSSIL) (G.P. Deshayes, 1858 †)
Microstagon laevigatum incrassatum (FOSSIL) (G.P. Deshayes, 1858 †)
Zemysina lamberti (FOSSIL) (G.P. Deshayes, 1857 †)
Diplodonta lateralis E.A. Smith, 1876
Cycladicama luciniformis A. Valenciennesin C. Rousseau, 1854
Phlyctiderma lucinoides (FOSSIL) (G.P. Deshayes, 1825 †)
Cycladicama lunaris M. Yokoyama, 1927
Diplodonta lupinus (G.B. Brocchi, 1814)
Diplodonta mediamericana (FOSSIL) J. Brown & H.A. Pilsbry,1913 †
Microstagon miliaria (FOSSIL) (J.B.P.A. Lamarck,1806 †)
Diplodonta minor (FOSSIL) W.H. Dall, 1900 †