Hyaenodon Skull (Hyaenodon cruentus) tyrannosaurus

Hyaenodon Skull (Hyaenodon cruentus) tyrannosaurusHyaenodon 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

It is theorized that they sometimes fed on the young of other Basilosaurus

According to documentation in the Nantan County Archives

Amber is used for many cosmetic and medicinal purposes

the fall of the meteorite occurred in 1516 A

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

The idea that Opals are unlucky came about in 1829 after the publication of Scottish novelist Sir Walter Scott’s book Anne of Geierstein

This is a natural Cleoniceras cleon species Ammonite

The light then interferes with itself to produce a "play of light" called iridescence

In some instances all the organic matter has been replaced by minerals (usually a silicate

which means heavy

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

Marcasite is silver-gold colored and upon closer inspection shows crystaline terminations