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The fossilized shells of Ammonites are typically spiral-shaped, very much like that of the Nautilus. However, around 170 million years ago, these ...

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 ...

This museum quality cleaniceras ammonite cluster from Madagascar comes from the Cretaceous period. It is a free standing cluster making for easy di...

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

This museum quality, natural ammonite cluster from Madagascar comes from the Cretaceous period. It is a free standing cluster making for easy disp...

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

This museum quality cleaniceras ammonite cluster from Madagascar comes from the Cretaceous period. It is a free standing cluster making for easy di...

Pyritized Ammonite From Moscow, Russia    A slice of a fossilized pseudomorphic ammonite that has been replaced molecule by molecule by metallic py...

Pyritized Ammonite From Moscow, Russia    A slice of a fossilized pseudomorphic ammonite that has been replaced molecule by molecule by metallic py...

Pyritized Ammonite From Moscow, Russia    A slice of a fossilized pseudomorphic ammonite that has been replaced molecule by molecule by metallic py...

Pyritized Ammonite From Moscow, Russia    A slice of a fossilized pseudomorphic ammonite that has been replaced molecule by molecule by metallic py...

A gorgeous Indonesian Crab fossil. Beautiful polish, cleaned with care. Delicate and fascinating details. This specimen will make a unique addition...

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 ...

A gorgeous Indonesian Crab fossil. Beautiful polish, cleaned with care. Delicate and fascinating details. This specimen will make a unique addition...

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 ...

Museum-quality, fossilized and calcified ammonite shell with an iridescent, opalized shimmer displaying hints of vibrant red. The fossilized shells...

From the Eocene epoch. Monte Baldo, Italy. This rare and superb crab fossil comes from the limestone layers situated near Vicenza in Italy. The thr...

The fossilized shells of Ammonites are typically spiral-shaped, very much like that of the Nautilus. However, around 170 million years ago, these s...

Kolihapeltis chlupaci (Lower Devonian: 420-400 MYO)   Trilobites, an early arthropod relative of spiders, horseshoe crabs, and scorpions, preserved...

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