Horse Jaw Section | South Dakota seam agate Its morphology suggests it was

Its morphology suggests it was an agile crawler

Dinosaurs to Dodos: An Encyclopedia of Extinct Animals

5" x 6" x 3"

These are NOT complete specimens

appendage structures

Horse Jaw Section | South Dakota seam agate Its morphology suggests it wasMesohippus sp. Oligocene (33 30 MYO) Brule Formation White River Badlands South Dakota Specimen approx. size: 1. 25" x 1" x 0. 5" Mesohippus is a genus of extinct early horse that lived during the late Eocene to early Oligocene epochs, approximately 37 to 30 million years ago. Its fossils are primarily found in North America, particularly in the White River Formation of the western United States. As a transitional form in equid evolution, Mesohippus