Loxobucania emmonsi (FOSSIL) (Ulrich & Scofield,1897 †)
Loxobucania evoluta (FOSSIL) (Reed, 1921 †)
Loxobucania frankfortensis (FOSSIL) (Ulrich & Scofield,1897 †)
Loxobucania gravida (FOSSIL) (Reed, 1921 †)
Loxobucania katoi (FOSSIL) (T. Kobayashi, 1930 †)
Loxobucania lindsleyi (FOSSIL) (Safford, 1869 †)
Loxobucania nashvillensis (FOSSIL) (Ulrich & Scofield,1897 †)
Loxobucania singularis (FOSSIL) (Ulrich & Scofield,1897 †)
Megalomphala carinata (FOSSIL) Ebbestad, 1999 †
Megalomphala contorta (FOSSIL) (d''Eichwald, 1856 †)
Megalomphala crassa (FOSSIL) (E.F.R.K. Koken, 1896 †)
Megalomphala crassiuscula (FOSSIL) E.F.R.K. Koken, 1897 †
Megalomphala cycloides (FOSSIL) (E.F.R.K. Koken, 1896 †)
Megalomphala dawesi (FOSSIL) Peel, 1991 †
Megalomphala gotlandica (FOSSIL) Peel, 1991 †
Megalomphala latissima (FOSSIL) E.F.R.K. Koken, 1897 †
Megalomphala marjorae (FOSSIL) Peel, 1991 †
Megalomphala pinguis (FOSSIL) (E.F.R.K. Koken& J. Perner, 1925 †)
Megalomphala planorbiformis (FOSSIL) E.F.R.K. Koken, 1897 †
Megalomphala salpinx (FOSSIL) E.F.R.K. Koken, 1897 †
Megalomphala septentrionale (FOSSIL) C.M. Poulsen, 1974 †
Megalomphala taenia (FOSSIL) (Lindström, 1884 †)
Megalomphala wilfredi (FOSSIL) Peel, 1991 †
Offleya inexpectata (FOSSIL) C.M. Poulsen, 1974 †
Patellostium branneri (FOSSIL) Weller, 1897 †
Patellostium britannicum (FOSSIL) Amler & Heidelberger,2003 †
Patellostium ourayensis (FOSSIL) (Gurley, 1884 †)
Patellostium revolvens (FOSSIL) Williams & M. Breger,1916 †
Phragmolites bellulus (FOSSIL) Ulrich & Scofield, 1897 †
Phragmolites cambrensis (FOSSIL) D.E. Harper, 1947 †
Phragmolites cellulosus (FOSSIL) Ulrich & Scofield, 1897 †
Phragmolites compressus (FOSSIL) T.A. Conrad, 1838 †
Phragmolites desideratus (FOSSIL) Billings, 1866 †
Phragmolites dyeri (FOSSIL) (J.W. Hall, 1872 †)
Phragmolites elegans (FOSSIL) (Miller, 1874 †)
Phragmolites excavatus (FOSSIL) (E.F.R.K. Koken& J. Perner, 1925 †)
Phragmolites fimbriatus (FOSSIL) (Ulrich & Scofield,1897 †)
Phragmolites girvanensis (FOSSIL) (Reed, 1921 †)