
A Hyaenodon in a seated position.

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Life reconstruction of H. horridus.

The wide gaping jaws of Hyaenodon elevated it as an apex predator.

A Hyaenodon with a lion-like appearance.

A juvenile Hyaenodon with its skull and teeth partially visible.

Species from order Hyaenodonta.

Diorama of Hyaenodon with other contemporary mammals nearly 40 million years ago.

A Hyaenodon protecting its prize.

Bear dogs such as Amphicyon ingens was one of the primary reason for Hyaenodon to lose its top position as an apex predator.

Fossil of Hyaenodon horridus at the National Museum of Nature and Science at Tokyo, Japan.

Hyaenodon gigas restored in a sketch sheet with multiple pelt variations.