This is an elegant, bright Acadoparadoxides trilobite. There are several species of Acadoparadoxides from this formation. Acadoparadoxides is an e...

Ptychopariida is a large, heterogeneous order of trilobite containing some of the most primitive species known. The earliest species occurred in th...

Rare large 4 inch spiny Drotops Armatus Trilobite from Laatchana, Morocco with spectacular preparation. The trilobite is well preserved with lots o...

Ptychopariida is a large, heterogeneous order of trilobite containing some of the most primitive species known. The earliest species occurred in th...

This is an extremely ornamented member of the trilobites' well-known and globally distributed Lichid family. These trilobites have adapted for ext...

This incredible cluster of trilobites is found in it's original matrix and displays 11 complete or partial fossils throughout. This cluster comes w...

Ptychopariida is a large, heterogeneous order of trilobite containing some of the most primitive species known. The earliest species occurred in th...

Trilobites, an early arthropod relative of spiders, horseshoe crabs, and scorpions, preserved in this level of detail only occurred as a result of ...

Genuine, museum-quality, Ophiuroidea Brittle Star Fossil. Ophiura ophiura or the serpent star is a species of brittle star in the order Ophiurida. ...

Ptychopariida is a large, heterogeneous order of trilobite containing some of the most primitive species known. The earliest species occurred in th...

Ptychopariida is a large, heterogeneous order of trilobite containing some of the most primitive species known. The earliest species occurred in th...