Hyaenodon Skull (Hyaenodon cruentus) tyrannosaurus This is a natural Cleoniceras

This is a natural Cleoniceras cleon species Ammonite

In some instances all the organic matter has been replaced by minerals (usually a silicate

Amber is used for many cosmetic and medicinal purposes

The meteorite is a piece of what used to be the core or mantle of another planet

there wasn't any reason for most other creatures to venture into the area

Hyaenodon Skull (Hyaenodon cruentus) tyrannosaurus This is a natural CleonicerasHyaenodon is an extinct genus of carnivorous mammals that first appeared in the fossil record about 42 million years ago during the middle of the Eocene Epoch and persisted until about 25 million years ago near the end of the Oligocene Epoch. Hyaenodon cruentus was a, medium to large sized creodont (extinct carnivorous mammal) that lived during the Oligocene to early Miocene in North America, appearing similar to a large, robust dog. A dominant