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 ...

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 ...

Large, natural trilobite in its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations known, and th...

  Large, natural trilobite in its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations known, and ...

Large, natural trilobite in its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations known, and th...

Large, natural cluster of trilobite in its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations kn...

A beautiful, fossilized and calcified ammonite shell with an iridescent, opalized shimmer, displaying hints of vibrant yellow tones. This specimen ...

Fossilized ammonite half which reveals the internal chambers lined with calcite crystals. The ammonite has been naturally replaced by calcite with ...

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 ...

Extremely unique ammonite fossil exposing positive and negative with its original matrix. It displays a brilliant opalescence of pink and purple....

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...

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

Fossilized ammonite halves which reveals the internal chambers lined with calcite crystals. The ammonite has been naturally replaced by calcite wit...

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

Natural its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations known, and the group produced som...

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....

Natural trilobite on its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations known, and the group...

Psychopyge elegans is a trilobite species from the Devonian Hamar Laghdad deposits near Alnif, Morocco. It is a member of the Order Phacopida. The ...

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