Worthenia eremita (FOSSIL) E.F.R.K. Koken, 1897 †
Eunema erigone (FOSSIL) Billings, 1865 †
Worthenia esinensis (FOSSIL) E.A.L. Kittl, 1899 †
Worthenia extendia (FOSSIL) Tong & Erwin, 2001 †
Worthenia extensus (FOSSIL) Yin & E.L. Yochelson,1983 †
Eunema fasciata (FOSSIL) Savage, 1913 †
Hanusispira fermioni (FOSSIL) (Tassell, 1982 †)
Lophospira ferruginea (FOSSIL) J. Donald, 1906 †
Donaldiella filosa (FOSSIL) (J. Donald, 1902 †)
Ruedemannia fristschi (FOSSIL) (J. Perner, 1903 †)
Hanusispira fugitiva (FOSSIL) (J. Perner, 1907 †)
Worthenia furcata (FOSSIL) E.A.L. Kittl, 1891 †
Yochelsonospira gairensis (FOSSIL) (A. Thomas, 1940 †)
Loxoplocus gothlandicus (FOSSIL) Ulrich & Scofield, 1897 †
Proturritella gracilis (FOSSIL) E.F.R.K. Koken, 1889 †
Longstaffia grata (FOSSIL) (J. Perner, 1903 †)
Longstaffia groomii (FOSSIL) (J. Donald, 1905 †)
Worthenia gubleri (FOSSIL) Delpey, 1941 †
Lophospira gumbinense (FOSSIL) Saladzius, 1966 †
Lophospira gyrogonia (FOSSIL) (F. McCoy, 1851 †)
Hanusispira hanusi (FOSSIL) Frýda & Manda, 1997 †
Humiliworthenia hausmanni (FOSSIL) (G.A. Goldfuss, 1841 †)
Tunstallia helicina (FOSSIL) (von Schlotheim, 1820 †)
Eunema helicteres (FOSSIL) Salter, 1859 †
Proturritella historicum (FOSSIL) Hudson, 1905 †
Ruedemannia holmi (FOSSIL) (Lindström, 1884 †)
Ruedemannia humilis (FOSSIL) (Ulrich & Scofield,1897 †)
Worthenia humilis (FOSSIL) Böhm, 1895 †
Loxoplocus hyacinthensis (FOSSIL) Foerste, 1924 †
Frodospira imbricata (FOSSIL) (Lindström, 1884 †)
Worthenia indifferens (FOSSIL) E.A.L. Kittl, 1894 †
Arjamannia inexpectans (FOSSIL) (J.W. Hall& R.P. Whitfield, 1875 †)
Lophospira infausta (FOSSIL) (J. Perner, 1903 †)
Lophospira infirma (FOSSIL) (J. Perner, 1903 †)
Ruedemannia instabilis (FOSSIL) (J. Donald, 1906 †)