Alaria alienigena (FOSSIL) W.H. Hudleston, 1888 †
Alaria angulata (FOSSIL) C. Moore, 1866 †
Alaria arenosa (FOSSIL) W.H. Hudleston, 1884 †
Alaria coronata (FOSSIL) C. Moore, 1866 †
Alaria crassicostata (FOSSIL) W.H. Hudleston, 1888 †
Alaria dubia (FOSSIL) W.H. Hudleston, 1888 †
Alaria fusca (FOSSIL) W.H. Hudleston, 1888 †
Alaria fusiformis (FOSSIL) C. Moore, 1867 †
Alaria granulosa (FOSSIL) L.É.S. Piette, 1855 †
Alaria hamoides (FOSSIL) W.H. Hudleston, 1889 †
Alaria hortonensis (FOSSIL) W.H. Hudleston, 1888 †
Alaria jacobi (FOSSIL) Basse, 1930 †
Alaria pinguis (FOSSIL) W.H. Hudleston, 1888 †
Alaria pontonis (FOSSIL) W.H. Hudleston, 1889 †
Alaria pontonis spinifera (FOSSIL) W.H. Hudleston, 1888 †
Alaria praelonga (FOSSIL) W.H. Hudleston, 1888 †
Alaria primigenia (FOSSIL) W.H. Hudleston, 1887 †
Alaria pseudoarmata (FOSSIL) W.H. Hudleston, 1884 †
Alaria rudis (FOSSIL) C. Moore, 1867 †
Alaria solida (FOSSIL) J. Lycett, 1867 †
Alaria spinulosa (FOSSIL) W.H. Hudleston, 1888 †
Alaria unicarinata (FOSSIL) Hudleston, 1884 †
Anchura abrupta (FOSSIL) T.A. Conrad, 1860 †
Anchura ainikta (FOSSIL) Elder & Saul, 1996 †
Anchura andersoni (FOSSIL) E.C. Allison, 1955 †
Anchura angulata (FOSSIL) (W.M. Gabb, 1864 †)
Anchura arenaria (FOSSIL) (Morton, 1834 †)
Anchura bakeri (FOSSIL) H.G. Richards, 1943 †
Anchura baptos (FOSSIL) Elder & Saul, 1996 †
Anchura bexarensis (FOSSIL) L.W. Stephenson, 1941 †
Anchura callosa (FOSSIL) J.J.F. Whiteaves, 1903 †
Anchura carrascoi (FOSSIL) Calzada & Forner, 2009 †
Anchura catedralis (FOSSIL) von der Osten, 1957 †
Anchura chapelvillensis (FOSSIL) D.T. Dockery, 1993 †
Anchura coffea (FOSSIL) D.T. Dockery, 1993 †
Anchura convexa (FOSSIL) B. Wade, 1926 †
Anchura corniculata (FOSSIL) D.T. Dockery, 1993 †