Mesohippus the 3-toed horse, skull PachycephalosaurusMesohippus (meaning "middle horse") is an extinct, dog sized, three toed horse. It was about 4 feet (1. 2 m) long and was roughly 2 feet (60 cm) tall at the shoulder. Its middle toe had a light weight hoof wth a large, weight supporting middle toe; the head was long and pointed (the jaws were shallow). Mesohippus lived during the middle Oligocene (about 37 32 million years ago) in the Great Plains and foothills of the Rockies of North America. It had
Many of the fossils are covered in golden pyrite
specimen is approximately 15 inches long
Within the Neornithes subclass are three suborders: Odontognathae
it indicates that temperate to sub-tropical conditions existed
The coloration is due to the various minerals that are present during fossilization
with its pole-like trunk hardly increasing in circumference
000-year-old remains found near Heidelberg
A mosasaur's jaw could "unhinge
Rhaeboceras halli
with three other species sometime between 2
Collect them all
The specimen was collected in 2002 in Gansu Province