Mesohippus, a horse-ancestor living in the Eocine and Oligocene, from a painting, circa 1920, by Heinrich Harder for "Tiere der Urwelt" (Animals of the Prehistoris World). [Public domain]
Originally uploaded in NAGT:Publications:In the Trenches:2019 - Volume 9:In the Trenches - October 2019.
Image 202361 is a 414 by 659 pixel JPEG
Uploaded: Sep16 19