Horse Jaw Section | South Dakota Claw Beaked Sandfish - Notogoneus osculus

Beaked Sandfish - Notogoneus osculus

Matrix is approx

The gars' characteristic

407 ppm germanium

Horse Jaw Section | South Dakota Claw Beaked Sandfish - Notogoneus osculusMesohippus 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