Cochliopia Tryon, 1883 accepted as Cochliopa Stimpson, 1865 (original description)
Cocoteuthis Tryon, 1883 † accepted as Trachyteuthis Meyer, 1846 † (original description)
Columbaria Tryon, 1883 accepted as Columbarium Martens, 1881 (original description)
Discosurus Tryon, 1883 (original description)
Eutrochus Tryon, 1883 † accepted as Eotrochus Whitfield, 1882 † (original description)
Hadriana Tryon, 1883 accepted as Hadriania Bucquoy & Dautzenberg, 1882 (original description)
Helicancyloceras Tryon, 1883 † accepted as Helicancylus Gabb, 1869 † (original description)
Lyparoceras Tryon, 1883 † accepted as Liparoceras Hyatt, 1867 † (original description)
Lyroscapha Tryon, 1883 (original description)
Megistoma Tryon, 1883 † accepted as Megistostoma Gabb, 1864 † (original description)
Melanoptycha Tryon, 1883 † (original description)
Michopoma Tryon, 1883 accepted as Mychopoma Blanford, 1869 (original description)
Mycroceras Tryon, 1883 † (original description)
Neriticonus Tryon, 1883 (original description)
Peistochilus Tryon, 1883 † accepted as Piestochilus Meek, 1864 † (original description)
Pyramitra Tryon, 1883 † accepted as Pyramimitra Conrad, 1865 † (original description)
Roualtia Tryon, 1883 (original description)
Tylacus Tryon, 1883 † accepted as Thylacus Conrad, 1860 † (original description)
Vicaria Tryon, 1883 † accepted as Vicarya Archiac & Haime, 1854 † (original description)