Trilobite in Shale (Elrathia sp.) - Utah was formed around 26 million

was formed around 26 million years ago

Chemical Formula: KAlSi3O8

Backing: Metal

heulandite

9 million years ago)

Trilobite in Shale (Elrathia sp.) - Utah was formed around 26 millionTrilobites are considered one of the most successful groups of animals to ever live on planet Earth. They lived for over 300 million years and there have been more than 20,000 different species identified. These creatures are members of the phylum Arthropoda. These animals are classified as having segmented bodies with an exoskeleton to protect their organs and muscles. Living examples include insects, spiders, crabs, lobsters, scorpions, and