Amphitemnus Ameghino, 1904 † accepted as Isotemnus Ameghino, 1897 † (original description)
Anagonia Ameghino, 1904 † accepted as Astrapogonia Kretzoi & Kretzoi, 2000 † (original description)
Argyromanis Ameghino, 1904 † (original description)
Catagonus Ameghino, 1904 (original description)
Cladodidelphys Ameghino, 1904 † (original description)
Clenia Ameghino, 1904 † (original description)
Disteiromys Ameghino, 1904 † (original description)
Eoprotherotherium Ameghino, 1904 † (original description)
Lophogododon Ameghino, 1904 † (original description)
Megathericulus Ameghino, 1904 † (original description)
Microtragulus Ameghino, 1904 † (original description)