Protypotherium Ameghino, 1885

Protypotherium Ameghino 1882: 39, nomen nudum. Ameghino, 1885: 81 –83.

Type species. Protypotherium antiquum Ameghino 1882: 39, nomen nudum. Ameghino, 1885: 81–83.