Trilobite - SOLD 2.474" Devonian Fossil tunguska Nature's Ghosts: Confronting Extinction from

Nature's Ghosts: Confronting Extinction from the Age of Jefferson to the Age of Ecology

single-celled creatures with hard

Above: Typical Medium Otodus specimens

Above: The first launch of the Space Shuttle Challenger (STS-6

representing over 30 years and 135 scientific missions above our planet

Trilobite - SOLD 2.474" Devonian Fossil tunguska Nature's Ghosts: Confronting Extinction fromThe 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 complete 2. 474" Devonian Period trilobite fossil. It comes from Morocco and is dated to be around 380