Mosasaurs are an extinct group of large marine reptiles. Their first fossil remains were discovered in a limestone quarry at Maastricht on the Meus...

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

This museum quality, giant Paradoxidae from the Cambrian of Morocco are well-known trilobites for their size and beauty worldwide. The Species in t...

A stunning polished Madagascan Cleoniceras ammonite fossil has been carved out to create a dish. There is second agatized ammonite inlaid into the...

A stunning polished Madagascan Cleoniceras ammonite fossil has been carved out to create a dish. There is second agatized ammonite inlaid into the...

Brittle stars or ophiuroids are echinoderms in the class Ophiuroidea closely related to starfish. They crawl across the sea floor using their flexi...

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

Hell Creek Formation - South Dakota, Usa This Item Has Already Been Purchased By A Collector

Crinoids, also known as sea lilies, are members of the Echinodermata phylum along with starfish and sea urchins. This well preserved sea fossil is ...

Crinoids are found in almost every bedrock unit in Indiana, including the famous Indiana Limestone. "Sea Lily" is the common name for crinoids, whi...