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...

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 ...

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

This self-standing Chrysanthemum Stone specimen is a unique and valuable find from China. Its formation, which occurred millions of years ago due t...

This self-standing Chrysanthemum Stone specimen is a unique and valuable find from China. Its formation, which occurred millions of years ago due t...

This self-standing Chrysanthemum Stone specimen is a unique and valuable find from China. Its formation, which occurred millions of years ago due t...

This self-standing Chrysanthemum Stone specimen is a unique and valuable find from China. Its formation, which occurred millions of years ago due t...

This self-standing Chrysanthemum Stone specimen is a unique and valuable find from China. Its formation, which occurred millions of years ago due t...

This self-standing Chrysanthemum Stone specimen is a unique and valuable find from China. Its formation, which occurred millions of years ago due t...

This self-standing Chrysanthemum Stone specimen is a unique and valuable find from China. Its formation, which occurred millions of years ago due t...

This self-standing Chrysanthemum Stone specimen is a unique and valuable find from China. Its formation, which occurred millions of years ago due t...

This self-standing Chrysanthemum Stone specimen is a unique and valuable find from China. Its formation, which occurred millions of years ago due t...

This self-standing Chrysanthemum Stone specimen is a unique and valuable find from China. Its formation, which occurred millions of years ago due t...

This self-standing Chrysanthemum Stone specimen is a unique and valuable find from China. Its formation, which occurred millions of years ago due t...

This self-standing Chrysanthemum Stone specimen is a unique and valuable find from China. Its formation, which occurred millions of years ago due t...

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...

Megalodon was an prehistoric shark from the Miocene & Pliocene Periods that may have been 40 feet (12m) long or more. (There are a few scienti...

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