Latiala californica (FOSSIL) (W.M. Gabb, 1864 †)
Pietteia callamus (FOSSIL) J. Gründel, 2001 †
Aporrhais callosa (FOSSIL) (K. Roth von Telegd,1915 †)
Anchura callosa (FOSSIL) J.J.F. Whiteaves, 1903 †
Wateletia callosa (FOSSIL) (G.P. Deshayes, 1835 †)
Latiala callositae (FOSSIL) Ayoub-Hannaa & al.,2015 †
Struthioptera camachoi (FOSSIL) Zinsmeister, 1977 †
Monocuphus camelus (FOSSIL) (L.É.S. Piette, 1856 †)
Graciliala campbelli (FOSSIL) (L.W. Stephenson, 1941 †)
Struthioptera campiveta (FOSSIL) J.D. Stilwell, 2002 †
Drepanocheilus carinatus (FOSSIL) M.Y. Blank, 1992 †
Quadrinervus carinatus (FOSSIL) (Delpey, 1939 †)
Perissoptera carinella (FOSSIL) R. Tate 1865 †
Kaunhowenia carinifera (FOSSIL) (Kaunhowen, 1897 †)
Ceratosiphon carolifabricii (FOSSIL) Tommasi, 1891 †
Anchura carrascoi (FOSSIL) Calzada & Forner, 2009 †
Dicroloma cartieri (FOSSIL) (Thurman, 1851 †)
Goniocheila castorensis (FOSSIL) (R.P. Whitfield, 1877 †)
Kaunhowenia catalanica (FOSSIL) S. Kiel & K. Bandel,2002 †
Anchura catedralis (FOSSIL) von der Osten, 1957 †
Anchura chapelvillensis (FOSSIL) D.T. Dockery, 1993 †
Aporrhais chiastus (FOSSIL) É.A.A. Locard, 1889 †
Pietteia christchurchi (FOSSIL) K. Bandel, J. Gründel& P.A. Maxwell, 2000 †
Latiala ciboloensis (FOSSIL) (L.W. Stephenson, 1941 †)
Cultrigera cingulata (FOSSIL) (Pictet & C. Roux,1853 †)
Dicroloma cirrus (FOSSIL) (Eudes-Deslongchamps,1843 †)
Aporrhais clarendonensis (FOSSIL) (Wrigley, 1938 †)
Latiala coarctata (FOSSIL) (H.B. Geinitz, 1842 †)
Dicroloma cochleata (FOSSIL) (F.A. von Quenstedt,1858 †)
Anchura coffea (FOSSIL) D.T. Dockery, 1993 †
Helicaulax condoniana (FOSSIL) (Anderson, 1902 †)
Anchura convexa (FOSSIL) B. Wade, 1926 †
Graciliala cooki (FOSSIL) (L.W. Stephenson, 1941 †)
Tibiaporrhais cooperensis (FOSSIL) (L.W. Stephenson, 1941 †)
Anchura corniculata (FOSSIL) D.T. Dockery, 1993 †