Trilobite in Shale (Elrathia sp.) - Utah Santa Maria Mining District

Santa Maria Mining District

but it has now been found in Brazil

and even poison

Please allow for slight differences

Trilobite in Shale (Elrathia sp.) - Utah Santa Maria Mining DistrictTrilobites 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