Loxonema inconspicuum (FOSSIL) Girty, 1909 †
Loxonema inexpectatum (FOSSIL) J. Perner, 1903 †
Loxonema infrasilurica (FOSSIL) E.F.R.K. Koken& J. Perner, 1925 †
Loxonema insociale (FOSSIL) E.A.L. Kittl, 1894 †
Loxonema intumescens (FOSSIL) Lindström, 1884 †
Loxonema invariabile (FOSSIL) E.A.L. Kittl, 1894 †
Loxonema kayseri (FOSSIL) Holzapfel, 1895 †
Loxonema kobelli (FOSSIL) Klipstein, 1843 †
Loxonema kokeni (FOSSIL) (E.A.L. Kittl, 1894 †)
Loxonema laeve (FOSSIL) A. Römer, 1850 †
Loxonema leda (FOSSIL) J.W. Hall, 1868 †
Loxonema ledburiense (FOSSIL) Longstaff, 1909 †
Loxonema leviusulcum (FOSSIL) de Koninck, 1881 †
Loxonema lindstroemi (FOSSIL) Longst, 1909 †
Loxonema magnum (FOSSIL) R.P. Whitfield, 1878 †
Loxonema megaspirae (FOSSIL) Karczewski, 1989 †
Loxonema mersai (FOSSIL) E.A.L. Kittl, 1894 †
Loxonema murrayana (FOSSIL) Salter, 1859 †
Loxonema neptunis (FOSSIL) E.A.L. Kittl, 1894 †
Loxonema ningxiaensis (FOSSIL) Pan, 1997 †
Loxonema nitida (FOSSIL) Longst, 1924 †
Loxonema obsoleta (FOSSIL) (de Sowerby & Murchison,1839 †)
Loxonema parvula (FOSSIL) J. Perner, 1903 †
Loxonema paucicostatum (FOSSIL) Kirchner, 1915 †
Loxonema perlonga (FOSSIL) J. Perner, 1907 †
Loxonema perneri (FOSSIL) Longstaff, 1909 †
Loxonema philipii (FOSSIL) Gruber, 1932 †
Loxonema pikensis (FOSSIL) Hyde, 1953 †
Loxonema planatum (FOSSIL) Longstaff, 1909 †
Loxonema plasi (FOSSIL) Horný, 1953 †
Loxonema plicatissimum (FOSSIL) C. Gemmellaro, 1889 †
Loxonema pollens (FOSSIL) J. Perner, 1903 †
Loxonema polonica (FOSSIL) Gürich, 1896 †
Loxonema postremum (FOSSIL) J.W. Hall, 1883 †
Loxonema praecedens (FOSSIL) J. Perner, 1903 †