For nearly 30 million years, a 2,000-pound beast known as the entelodont ruled a sweeping empire from Mongolia to what is now ...

During this time, bull musk oxen fight for control of harems by sprinting ... Speaking of luxury wool, another prehistoric animal known for its fiber is the vicuña, the ancestor of the modern ...

CELINA - Though dinosaurs are the most notable of the prehistoric animals, smaller mammals and fish walked and swam in Ohio, ...