It lived from the late Eocene to early Oligocene of North America and it currently represents the only pangolin known from the Western Hemisphere.

The genus contains one species, P. americana, which is known from six specimens, mostly from the Chadronian White River Formation of Wyoming.

It had long digits and a prehensile tail, suggesting that it was arboreal, and its jaw was capable of opening wider than modern pangolins.

Its ears and the hair between its scales were also longer than modern pangolins.

[2] Phylogenetic position of genus Patriomanis within family Patriomanidae.