Brachicyon Loomis, 1931 † accepted as Brachyrhynchocyon Scott & Jepsen, 1936 † (original description)
Hesperorthis Schuchert & Cooper, 1931 † (original description)
Huenellina Schuchert & Cooper, 1931 † (original description)
Levenea Schuchert & Cooper, 1931 † (original description)
Linoporella Schuchert & Cooper, 1931 † (original description)
Liocoelia Schuchert & Cooper, 1931 † (original description)
Lissocoelina Schuchert & Cooper, 1931 † (original description)
Oligomys Schuchert & Cooper, 1931 † (original description)
Pahlenella Schuchert & Cooper, 1931 † (original description)
Panderina Schuchert & Cooper, 1931 † (original description)
Parastrophinella Schuchert & Cooper, 1931 † (original description)
Parmorthis Schuchert & Cooper, 1931 † accepted as Resserella Bancroft, 1928 † (original description)
Paurorthis Schuchert & Cooper, 1931 † (original description)
Pentameroides Schuchert & Cooper, 1931 † (original description)
Perditocardinia Schuchert & Cooper, 1931 † (original description)
Pionorthis Schuchert & Cooper, 1931 † accepted as Plaesiomys Hall & Clarke, 1892 † (original description)
Planidorsa Schuchert & Cooper, 1931 † (original description)
Platyorthis Schuchert & Cooper, 1931 † (original description)
Ptychopleurella Schuchert & Cooper, 1931 † (original description)
Retrorsirostra Schuchert & Cooper, 1931 † accepted as Plaesiomys Hall & Clarke, 1892 † (original description)
Rhipidium Schuchert & Cooper, 1931 † (original description)
Rhynchocamara Schuchert & Cooper, 1931 † (original description)
Skenidioides Schuchert & Cooper, 1931 † (original description)
Syntrophioides Schuchert & Cooper, 1931 † (original description)