Euthystylus Cossmann, 1895 † (original description)
Goniospira Cossmann, 1895 † (original description)
Hydrorissoia Bavay, 1895 (original description)
Microchilus Cossmann, 1895 † accepted as Microcheilus Kittl, 1894 † (original description)
Pseudocochlearia Cossmann, 1895 (original description)
Pterygioteuthis Fischer, 1896 (original description)
Pustulifer Cossmann, 1895 † (original description)
Stephanocosmia Cossmann, 1895 † (original description)
Trypanostylus Cossmann, 1895 † (original description)