Aegocrioceras Spath, 1924 † (original description)
Aposphinctoceras Neaverson, 1924 † (original description)
Argentiniceras Spath, 1924 † (original description)
Calliptychoceras Spath, 1924 † (original description)
Camptophyllia Gill, 1924 † (original description)
Cheirobelus Whitehouse, 1924 † (original description)
Craspedodiscus Spath, 1924 † (original description)
Dimitobelus Whitehouse, 1924 † (original description)
Hemicrioceras Spath, 1924 † (original description)
Hemihoplites Spath, 1924 † (original description)
Heptaphyllum Clark, 1924 † (original description)
Holcosphinctes Neaverson, 1924 † (original description)
Hoplocrioceras Spath, 1924 † (original description)
Juddiceras Spath, 1924 † (original description)
Lytocrioceras Spath, 1924 † (original description)
Metahoplites Spath, 1924 † (original description)
Octagoniceras Spath, 1924 † (original description)
Odontodiscoceras Spath, 1924 † (original description)
Paracrioceras Spath, 1924 † (original description)
Parancyloceras Spath, 1924 † (original description)
Peltocrioceras Spath, 1924 † (original description)
Peratobelus Whitehouse, 1924 † (original description)
Protancyloceras Spath, 1924 † (original description)
Pseudocrioceras Spath, 1924 † (original description)
Pseudoosterella Spath, 1904 † (original description)
Raimondiceras Spath, 1924 † (original description)
Rogersites Spath, 1924 † (original description)
Speetoniceras Spath, 1924 † (original description)
Suboosterella Spath, 1924 † (original description)
Tetrabelus Whitehouse, 1924 † (original description)
Tonohamites Spath, 1924 † (original description)
Toxoceratoides Spath, 1924 † (original description)