Adorenius Hustache, 1929 accepted as Arodenius Heller, 1921 (original description)
Alhypera Hustache, 1926 accepted as Argentinorhynchus Brèthes, 1910 (original description)
Carlesia Kraglievich, 1929 † accepted as Eumegamys Kraglievich, 1926 † (original description)
Caviaphila Hustache, 1926 (original description)
Dabbenea Kraglievich, 1929 † (original description)
Eumeganys Kraglievich, 1929 (original description)
Isostylomys Kraglievich, 1929 † accepted as Eumegamys Kraglievich, 1926 † (original description)
Lagostomopsis Kraglievich, 1926 accepted as Lagostomus Brookes, 1828 (original description)
Neobagous Hustache, 1926 (original description)
Neochetina Hustache, 1926 (original description)
Neohydronomus Hustache, 1926 (original description)
Pseudoplohophorus Castellanos, 1926 † (original description)
Tanysphiroideus Hustache, 1926 (original description)
Tremarctotherium Kraglievich, 1926 (original description)
Urotherium Castellanos, 1926 † (original description)
Volosyrpha Shannon, 1928 (original description)