Hyaenodon, skull Stegosaurus and is thought to have

and is thought to have had a horny beak that was used for biting off pieces of vegetation

especially along riverbanks

unlike most saber-toothed cats of the time

and feathers in some cases

The fossil aroused much controversy

Hyaenodon, skull Stegosaurus and is thought to haveHyaenodon ("hyaena toothed") is the type genus of Hyaenodontidae, a group of extinct carnivorous creodonts of the family Hyaenodontidae endemic to all continents except South America, Australia and Antarctica. They lived from 42 15. 9 million years a go existing for approximately 26. 1 million years. Some species of this genus were among the largest terrestrial carnivorous mammals of their time; others were only of the size of a marten. Hyaenodon is