Cephalopoda Cuvier, 1797
Hypoturrilites Shimizu, 1935
Mariella Nowak, 1916
Neostlingoceras Klinger & Kennedy, 1978
Notostreptites Henderson, 1990
Ostlingoceras Hyatt, 1900
Paraturrilites Breistroffer, 1947
Proturrilitoides Breistroffer, 1940
Pseudhelicoceras Spath, 1922
Pseudohelicoceras
Tridenticeras Wiedmann, 1962