Tessarolax hitzii (FOSSIL) White, 1883 †
Anchura hoggi (FOSSIL) L.W. Stephenson, 1941 †
Anchura hopii (FOSSIL) Kirkland, 1996 †
Anchura horreana (FOSSIL) L.W. Stephenson, 1952 †
Alaria hortonensis (FOSSIL) W.H. Hudleston, 1888 †
Struthiochenopus hurleyi (FOSSIL) J.D. Stilwell & al.,2004 †
Tessarolax inconspicua (FOSSIL) W.M. Gabb, 1869 †
Tessarolax incrustata (FOSSIL) F.M. Anderson& G.D. Hanna, 1935 †
Latiala infortunata (FOSSIL) (White, 1887 †)
Kangilioptera inouei (FOSSIL) K. Amano & B.W. Jenkins,2014 †
Quadrinervus intermedius (FOSSIL) (L.É.S. Piette, 1869 †)
Alaria jacobi (FOSSIL) Basse, 1930 †
Tibiaporrhais japonica (FOSSIL) (T. Nagao, 1932 †)
Tessarolax japonicus (FOSSIL) Yabe & T. Nagao, 1928 †
Cuphosolenus johannae (FOSSIL) (Buvignierin L.É.S. Piette, 1891 †)
Graciliala johnsoni (FOSSIL) (L.W. Stephenson, 1923 †)
Tulochilus jouberti (FOSSIL) S. Kiel & K. Bandel,2002 †
Cuphosolenus kentensis (FOSSIL) Stanton, 1947 †
Dimorphosoma kinclispira (FOSSIL) J. Gardner, 1875 †
Drepanocheilus kiowanus (FOSSIL) (Cragin, 1895 †)
Drepanocheilus kiowanus marquettensis (FOSSIL) Stanton, 1947 †
Pietteia kokeni (FOSSIL) (Brösamlen, 1909 †)
Trilemma kremenkense (FOSSIL) Blagovetshenskiy& Shumilkin, 2012 †
Teneposita laeva (FOSSIL) Loch, 1989 †
Myurusina laevigata (FOSSIL) (Morris & J. Lycett,1851 †)
Anchura lamari (FOSSIL) L.W. Stephenson, 1941 †
Austroaporrhais larseni (FOSSIL) Zinsmeister & Griffin,1995 †
Graciliala latealata (FOSSIL) (F. Riedel, 1932 †)
Lispodesthes lilipus (FOSSIL) S. Kiel & Perrilliat,2001 †
Aporrhais limburgensis (FOSSIL) Binkhorst, 1861 †
Lispodesthes lingulifera (FOSSIL) White, 1877 †
Goniocheila lirata (FOSSIL) (T.A. Conrad, 1848 †)
Latiala lobata (FOSSIL) (B. Wade, 1926 †)
Spinigera longispina (FOSSIL) (Eudes-Deslongchamps,1842 †)
Dicroloma lorieri (FOSSIL) (A.V.M.D. D'Orbigny,1850 †)