Cephalopoda Cuvier, 1797
Bifoveoceras Balashov, 1956
Bitaunioceras Shimizu & Obata, 1936
Ctenoceras Noetling, 1884
Eneoceras Cheng, Zhang & Zhang, 2005
Kionoceras Hyatt, 1884
Michelinoceras Foerste, 1932
Ortaoceras Meek, 1860
Orthocera Lamarck, 1799
Orthoceras Bruguière, 1789
Orthocerus King, 1844
Othoceras Mojsisovics, 1902
Otrhoceras Frédérix, 1915
Palorthoceras
Paramichelinoceras Zhuravleva, 2003
Plagiostomoceras Teichert & Glenister, 1952
Plagistomoceras
Pleurorthoceras Flower, 1963
Pojetoceras Frey, 1995
Polygrammoceras Foerste, 1928
Pseudospyroceras Kroger, 2008
Striatocycloceras
Theoceras Kroger, 2008
Thoracoceras Fischer, 1844
Tibichoanoceras Kroger, 2008
Trematoceras Eichwald, 1851
