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

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

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

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

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

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

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

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

Here is Charybdis fossil crab is an exceptionally preserved prehistoric swimming crab from the Miocene to Pliocene epochs, dating roughly 5 to 23 m...

Here is Charybdis fossil crab is an exceptionally preserved prehistoric swimming crab from the Miocene to Pliocene epochs, dating roughly 5 to 23 m...

Here is Charybdis fossil crab is an exceptionally preserved prehistoric swimming crab from the Miocene to Pliocene epochs, dating roughly 5 to 23 m...

Here is Charybdis fossil crab is an exceptionally preserved prehistoric swimming crab from the Miocene to Pliocene epochs, dating roughly 5 to 23 m...

Here is Charybdis fossil crab is an exceptionally preserved prehistoric swimming crab from the Miocene to Pliocene epochs, dating roughly 5 to 23 m...

Here is Charybdis fossil crab is an exceptionally preserved prehistoric swimming crab from the Miocene to Pliocene epochs, dating roughly 5 to 23 m...

Here is Charybdis fossil crab is an exceptionally preserved prehistoric swimming crab from the Miocene to Pliocene epochs, dating roughly 5 to 23 m...

Here we have a piece of polished Baltic Amber, It is some of the highest quality amber in the world. It is harder than most other ambers, which mak...

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 are an extinct group of large marine reptiles. Mosasaur teeth come in various sizes and from various species.  This specimen is a large, ...

This specimen is a piece of Mexican Amber, also know as Mexican Mayan Amber. It is harder than most other ambers, which makes it less fragile and i...

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

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

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

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