These King Elrathia trilobites were found within the Wheeler Shale formation in Utah and are anywhere from 250-520 million years old! Trilobites were one of the most successful marine creatures, thriving in waters all over the world. They are also thought to be the first creatures to develop complex eyes. Trilobites have been found in ancient burials dating back more than 50,000 years, suggesting the fossils have and always will be the coolest!
