Ruedemannia lirata (FOSSIL) (Ulrich & Scofield,1897 †)
Ruedemannia robusta (FOSSIL) (Lindström, 1884 †)
Ruedemannia sodalis (FOSSIL) (E.F.R.K. Koken, 1897 †)
Ruedemannia striatula (FOSSIL) (J. Perner, 1907 †)
Ruedemannia subrobusta (FOSSIL) (J. Perner, 1907 †)
Ruedemannia tolli (FOSSIL) (E.F.R.K. Koken, 1897 †)
Ruedemannia trilix (FOSSIL) (J.W. Hall, 1862 †)
Triredimiculum spira (FOSSIL) C.O. Waterhouse, 1983 †
Tunstallia helicina (FOSSIL) (von Schlotheim, 1820 †)
Worthenia alticarinata (FOSSIL) Batten, 1989 †
Worthenia angulata (FOSSIL) (Münster, 1841 †)
Worthenia apunctata (FOSSIL) E.A.L. Kittl, 1894 †
Worthenia arizonensis (FOSSIL) Winters, 1963 †
Worthenia basifalcata (FOSSIL) Korner, 1937 †
Worthenia bialveozona (FOSSIL) Batten, 1989 †
Worthenia bicarinata (FOSSIL) Batten, 1989 †
Worthenia bieberi (FOSSIL) E.A.L. Kittl, 1891 †
Worthenia bilineata (FOSSIL) (Klipstein, 1843 †)
Worthenia cainallensis (FOSSIL) E.A.L. Kittl, 1899 †
Worthenia castlemanensis (FOSSIL) Lintz Jr., 1958 †
Worthenia cirriformis (FOSSIL) (Laube, 1868 †)
Worthenia conica (FOSSIL) Assmann, 1937 †
Worthenia constantini (FOSSIL) Mansuy, 1912 †
Worthenia contabulata (FOSSIL) Costa, 1964 †
Worthenia corrugata (FOSSIL) Chronic, 1952 †
Worthenia crenilunula (FOSSIL) E.K. Yoo, 1994 †
Worthenia crenulata (FOSSIL) Batten, 1989 †
Worthenia curvistriata (FOSSIL) E.F.R.K. Koken& J. Perner, 1925 †
Worthenia distincta (FOSSIL) E.A.L. Kittl, 1894 †
Worthenia dregeri (FOSSIL) E.A.L. Kittl, 1891 †
Worthenia duplicata (FOSSIL) E.A.L. Kittl, 1891 †
Worthenia ecki (FOSSIL) Assmann, 1924 †
Worthenia eremita (FOSSIL) E.F.R.K. Koken, 1897 †
Worthenia esinensis (FOSSIL) E.A.L. Kittl, 1899 †
Worthenia extendia (FOSSIL) Tong & Erwin, 2001 †
Worthenia extensus (FOSSIL) Yin & E.L. Yochelson,1983 †
Worthenia furcata (FOSSIL) E.A.L. Kittl, 1891 †
Worthenia gubleri (FOSSIL) Delpey, 1941 †
Worthenia humilis (FOSSIL) Böhm, 1895 †