Cruziana Trilobite Tracks - SOLD 5.188" searchsuggestions Since then

Since then

acquired at auction in 2016

5 billion years

This specimen is a 179-gram fragment of a leaded glass shield window installed in the T Plant (221-T) Plutonium Recovery Building

Cruziana Trilobite Tracks - SOLD 5.188" searchsuggestions Since thenThe Cambrian Explosion brought new life and diversity to the ocean. 521,000,000 years ago, the first trilobites emerged in the fossil record thanks to this evolutionary event. With a tough exoskeleton, trilobites were one of the earliest known arthropods and quickly spread across the planet thanks to their incredible adaptability. This specimen is a 5. 188" trilobite Cruziana track fossil recovered from Morocco's Anti Atlas Mountain Range. Trace