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

A stunning and unique Goniatite Ammonite free-form made out of polished rock containing 400 million year old fossils of Goniatites. These fossils ...

A stunning and unique Goniatite Ammonite free-form made out of polished rock containing 400 million year old fossils of Goniatites. These fossils ...

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

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

Two Orthoceras fossils found in a sea-bed matrix. Orthoceras ("straight horn") had a slender, elongated shell, with the middle of the body chamber...

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

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

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

A small, clustered tower of Orthoceras fossils in sea-bed matrix. 250 to 750 million years ago, the orthoceras mollusk lived in abundance during t...

Here is a large vertebrae from the massive Spinosaurus maroccanus theropod dinosaur. It comes from From Baharija Formation, South of Taouz, Kem-kem...

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

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

Here is a large vertebrae from the massive Spinosaurus maroccanus theropod dinosaur. It comes from From Baharija Formation, South of Taouz, Kem-kem...

Here is a large vertebrae from the massive Spinosaurus maroccanus theropod dinosaur. It comes from From Baharija Formation, South of Taouz, Kem-kem...

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

Large cabinet specimen of Agatized Coral with several exposed vugs lined with a series of finger-like stalactites. They are translucent with deep t...

This is a slice of fossilized dinosaur bone with one side polished to a mirror finish. This specimen is a fossilized dinosaur bone in which the ori...

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. ...