Cephalopoda Cuvier, 1797
Aphragmites Barrande, 1865
Ascoceras Barrande, 1847
Billingsites Hyatt, 1884
Glossoceras Barrande, 1865
Parascoceras Miller, 1932
Probillingsites Foerste, 1928
Schuchertoceras Miller, 1932
Shamattawaceras Foerste & Savage, 1927
