Cephalopoda Cuvier, 1797
Acleistoceras Hyatt, 1884
Amphicyrtoceras Foerste, 1924
Anomeioceras Foerste, 1930
Austinoceras Foerste, 1934
Chadwickoceras Foerste, 1930
Clionyssiceras Foerste, 1930
Crateroceras Foerste & Savage, 1927
Ectocyrtoceras Foerste, 1930
Euryrizoceras Foerste, 1930
Galtoceras Foerste, 1934
Gonatocyrtoceras Foerste, 1906
Grimsbyoceras Foerste, 1934
Hercocyrtoceras Foerste, 1928
Paracleistoceras Foerste, 1926
Perioidanoceras Foerste, 1930
Poteriocerina Foerste, 1926
Rhomboceras Foerste, 1934
Slocomoceras Foerste, 1930
Streptoceras Billings, 1866
Tumidoceras Flower, 1949
Worthenoceras Foerste, 1930
