Acanthopyge is an extinct genus of lichid trilobite that lived during the Devonian. This is a very nice, 1" long lichid (Acanthopyge) trilobite fro...

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

Fossilized psuedomorph of calcite after ammonite halve to reveal the internal chambers lined with calcite crystals. The ammonite has been internall...

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

Carcharodontosaurus (Dinosaur) tooth in a glass display box From Tegana Formation, North Africa. Cretaceous Age 65 million years Carcharodontosauru...

Carcharodontosaurus (Dinosaur) tooth in a glass display box From Tegana Formation, North Africa. Cretaceous Age 65 million years Carcharodontosauru...

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

This incredible cluster of trilobites is found in it's original matrix and displays 4 complete or partial fossils throughout. This cluster comes wi...

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

An ineradicable, large Crotalocephalina gibba, Crotalocephalina trilobite is an extinct genus of trilobite in the order Phacopida found in Morocco....

An ineradicable, large Crotalocephalina gibba, Crotalocephalina trilobite is an extinct genus of trilobite in the order Phacopida found in Morocco....

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

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

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

Mosasaurs probably evolved from an extinct group of aquatic lizards known as aigialosaurs in the Early Cretaceous Period (73-65 million years ago...

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

This huge, Museum-quality Spinosaur tooth is completely in tact with no repairs. This incredible specimen includes a display box for preservation a...

This huge, Museum-quality Spinosaur tooth is completely in tact with no repairs. This incredible specimen includes a display box for preservation a...

This well preserved tooth is 40 to 34 million years old from the Late Eocene Period. Basilosaurus was first thought to be a reptile but was later i...

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

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

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

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

This genuine Metacanthina Issoumourensis Trilobite Fossil is from the Devonian Age (roughly 400 million years ago) and was found in Morocco.  Trilo...