Onychonycteris is the more primitive of the two oldest known monospecific genera of bat, having lived in the area that is current day Wyoming during the Eocene period, 52.5 million years ago.
Onychonycteris
Eocene
for Eocene in Extinct Animals Face Claims
Suggested by jpstudios11
Face claims sorted by prehistoric and extinct animals by time periods, geography, classification, popularity, etc.
