Loxonema heteromorphum (FOSSIL) C. Gemmellaro, 1889 †
Loxonema hibernicum (FOSSIL) Longst, 1909 †
Loxonema highlandense (FOSSIL) A.H. Clarke, 1909 †
Omospira holtedahli (FOSSIL) E.L. Yochelson, 1963 †
Katoptychia holynensis (FOSSIL) Frýda & K. Bandel, 1997 †
Loxonema hydraulica (FOSSIL) J.W. Hall& R.P. Whitfield, 1872 †
Loxonema inclytum (FOSSIL) J. Perner, 1907 †
Loxonema inconspicuum (FOSSIL) Girty, 1909 †
Loxonema inexpectatum (FOSSIL) J. Perner, 1903 †
Loxonema infrasilurica (FOSSIL) E.F.R.K. Koken& J. Perner, 1925 †
Nodoloxonema ingens (FOSSIL) (Frech, 1894 †)
Stylonema innotatum (FOSSIL) J. Perner, 1907 †
Loxonema insociale (FOSSIL) E.A.L. Kittl, 1894 †
Loxonema intumescens (FOSSIL) Lindström, 1884 †
Loxonema invariabile (FOSSIL) E.A.L. Kittl, 1894 †
Holopella jovialis (FOSSIL) J. Perner, 1903 †
Loxonema kayseri (FOSSIL) Holzapfel, 1895 †
Loxonema kobelli (FOSSIL) Klipstein, 1843 †
Loxonema kokeni (FOSSIL) (E.A.L. Kittl, 1894 †)
Loxonema laeve (FOSSIL) A. Römer, 1850 †
Omospira laticincta (FOSSIL) Ulrich & Scofield, 1897 †
Rhabdostropha latisinuata (FOSSIL) Longst, 1924 †
Holopella latispira (FOSSIL) A.W. Grabau, 1936 †
Loxonema leda (FOSSIL) J.W. Hall, 1868 †
Loxonema ledburiense (FOSSIL) Longstaff, 1909 †
Rhabdostropha leijiatunensis (FOSSIL) Xi & Yu, 1990 †
Cookiloxa leunisseni (FOSSIL) Heidelberger, 2007 †
Loxonema leviusulcum (FOSSIL) de Koninck, 1881 †
Loxonema lindstroemi (FOSSIL) Longst, 1909 †
Omospira lophospiroides (FOSSIL) Yü, 1961 †
Nodoloxonema magnificum (FOSSIL) (Spitz, 1907 †)
Loxonema magnum (FOSSIL) R.P. Whitfield, 1878 †
Stylonema mater (FOSSIL) J. Perner, 1907 †
Loxonema megaspirae (FOSSIL) Karczewski, 1989 †
Loxonema mersai (FOSSIL) E.A.L. Kittl, 1894 †