Degonia Roth, 1901 (original description)
Diplodon Roth, 1901 † (original description)
Eurystomus Roth, 1901 (original description)
Eutypotherium Roth, 1901 (original description)
Lafkenia Roth, 1901 † (original description)
Lelfunia Roth, 1901 † accepted as Isotemnus Ameghino, 1897 † (original description)
Lonkus Roth, 1901 (original description)
Orthogenium Roth, 1901 † accepted as Orthogeniops Ameghino, 1902 † (original description)
Ortholophodon Roth, 1901 † (original description)
Plesioxotodon Roth, 1901 (original description)
Prostylophorus Roth, 1901 † (original description)
Rankelia Roth, 1901 (original description)
Stylophorus Roth, 1901 † (original description)