Allosaurus Fragilis jurassic age : 145-201 Million Years Old, Morrison Formation ColoradoThe first big meat-eating predator discovered in the Morrison Formation, predates Tyrannosaurus rex.   341.3 grams, 16 x 2 x 1 inches

This is a giant preserved tortoise fossil of Stylemys nebracensis. It slowly plodded over the temperate area of South Dakota about 30 million years ago in an area known as the White River Badlands of South Dakota. Oligocene in age. 32.2 lbs, 14 x 10.5 x 6.5 inches 

Megalodon was an prehistoric shark from the Miocene & Pliocene Periods. This specimen is a giant, museum quality genuine Megalodon shark tooth in matrix that was found in Indonesia. Very uncommon to find a tooth of this size in its natural matrix. Weight: 3.3 lbs, Dimensions: 6.5 x 2.5 x...

Genuine Eurypterus (Sea Scorpion) Upper Silurian 420 million years ago fiddler Green Formation Langs Quarry Herkimer County, New York USA Weight: 5 lb, Dimensions: 7.25 x 1 x 8.5 inches

A stunning large clustered plate of Orthoceras fossils in sea-bed matrix. The surface is ornamented by a network of fine lirae. The orthoceras mollusk lived in abundance during the Paleozoic Era, some 250 to 750 million years ago. Orthoceras is a member of the class Cephalopoda and is closely related...

Genuine Arthropod (Crustacean) Lobster from Java, Indonesia.  Pliocene/ Miocene Age, 5 million years old. Weight: 1 lb, Dimensions: 11 x 3 x 3 inches

A stunning large clustered plate of Orthoceras fossils in sea-bed matrix. The surface is ornamented by a network of fine lirae. The orthoceras mollusk lived in abundance during the Paleozoic Era, some 250 to 750 million years ago. Orthoceras is a member of the class Cephalopoda and is closely related...

This beautiful specimen is a giant cluster of pre historic sea scallops in their original matrix. The size of this piece in combination with the quality of these fossilized sea scallops is an incredibly unique find. These sea scallops are from the Upper Minocene Period, approximately 11.6-5.3 million years old....

Crinoids, also known as sea lilies, are members of the Echinodermata phylum along with starfish and sea urchins. This Crinoid  fossil is from Morocco. They have the appearance of graceful underwater flowers. They are among the oldest fossils known in the world, dating all the way back to the Ordovician period,...

This unique piece exhibits a fossilized sea starfish in its deep red, natural matrix with a few crinoids present. This piece dates back to the Ordovician period; approximately 488 - 443 million years old.    Weight: 20.2 lbs, Size: 21.5 x 1.75 x 15 inches

Crinoids are found in almost every bedrock unit in Indiana, including the famous Indiana Limestone. "Sea Lily" is the common name for crinoids, which are still living in today's oceans. Weight: 1.2 lb, Dimensions: 6.25 x 1 x 3.5 inches

A Large, clustered tower of Orthoceras fossils in sea-bed matrix. 250 to 750 million years ago, the orthoceras mollusk lived in abundance during the Paleozoic Era. Orthoceras is a member of the class Cephalopoda and is closely related to the extinct giant Cephalopod and present-day chambered nautilus. Orthoceras ("straight horn")...

Fossilized psuedomorph of calcite after ammonite halve to reveal the internal chambers lined with calcite crystals. The ammonite has been internally replaced by calcite  with small areas showing its original mother of pearl iridescent outer shell. Its a complete ammonite sliced and polished to expose the internal cavities now lined...

Fossilized psuedomorph of calcite after ammonite halve to reveal the internal chambers lined with calcite crystals. The ammonite has been internally replaced by calcite  with small areas showing its original mother of pearl iridescent outer shell. Its a complete ammonite sliced and polished to expose the internal cavities now lined...

Fossilized psuedomorph of calcite after ammonite halve to reveal the internal chambers lined with calcite crystals. The ammonite has been internally replaced by calcite  with small areas showing its original mother of pearl iridescent outer shell. Its a complete ammonite sliced and polished to expose the internal cavities now lined...

Fossilized psuedomorph of calcite after ammonite halve to reveal the internal chambers lined with calcite crystals. The ammonite has been internally replaced by calcite  with small areas showing its original mother of pearl iridescent outer shell. Its a complete ammonite sliced and polished to expose the internal cavities now lined...

Fossilized psuedomorph of calcite after ammonite halve to reveal the internal chambers lined with calcite crystals. The ammonite has been internally replaced by calcite  with small areas showing its original mother of pearl iridescent outer shell. Its a complete ammonite sliced and polished to expose the internal cavities now lined...

Brittle stars or ophiuroids are echinoderms in the class Ophiuroidea closely related to starfish. They crawl across the sea floor using their flexible arms for locomotion. The most famous Jurassic deposit in the world, is found in the Solnhofen, and Eichstatt of Germany. Limestone that make up this formation were...

Brittle stars or ophiuroids are echinoderms in the class Ophiuroidea closely related to starfish. They crawl across the sea floor using their flexible arms for locomotion. The most famous Jurassic deposit in the world, is found in the Solnhofen, and Eichstatt of Germany. Limestone that make up this formation were...

Fossilized psuedomorph of calcite after ammonite halve to reveal the internal chambers lined with calcite crystals. The ammonite has been internally replaced by calcite  with small areas showing its original mother of pearl iridescent outer shell. Its a complete ammonite sliced and polished to expose the internal cavities now lined...

Fossilized psuedomorph of calcite after ammonite halve to reveal the internal chambers lined with calcite crystals. The ammonite has been internally replaced by calcite  with small areas showing its original mother of pearl iridescent outer shell. Its a complete ammonite sliced and polished to expose the internal cavities now lined...

A small, clustered tower of Orthoceras fossils in sea-bed matrix. 250 to 750 million years ago, the orthoceras mollusk lived in abundance during the Paleozoic Era. Orthoceras is a member of the class Cephalopoda and is closely related to the extinct giant Cephalopod and present-day chambered nautilus. Orthoceras ("straight horn")...

Brittle stars or ophiuroids are echinoderms in the class Ophiuroidea closely related to starfish. They crawl across the sea floor using their flexible arms for locomotion. The most famous Jurassic deposit in the world, is found in the Solnhofen, and Eichstatt of Germany. Limestone that make up this formation were...

Brittle stars or ophiuroids are echinoderms in the class Ophiuroidea closely related to starfish. They crawl across the sea floor using their flexible arms for locomotion. The most famous Jurassic deposit in the world, is found in the Solnhofen, and Eichstatt of Germany. Limestone that make up this formation were...

Fossilized psuedomorph of calcite after ammonite halve to reveal the internal chambers lined with calcite crystals. The ammonite has been internally replaced by calcite  with small areas showing its original mother of pearl iridescent outer shell. Its a complete ammonite sliced and polished to expose the internal cavities now lined...

Brittle stars or ophiuroids are echinoderms in the class Ophiuroidea closely related to starfish. They crawl across the sea floor using their flexible arms for locomotion. The most famous Jurassic deposit in the world, is found in the Solnhofen, and Eichstatt of Germany. Limestone that make up this formation were...

A stunning clustered plate of Orthoceras fossils in sea-bed matrix. The orthoceras mollusk lived in abundance during the Paleozoic Era, some 250 to 750 million years ago. Orthoceras is a member of the class Cephalopoda and is closely related to the extinct giant Cephalopod and present-day chambered nautilus. Orthoceras ("straight...

Fossilized psuedomorph of calcite after ammonite halve to reveal the internal chambers lined with calcite crystals. The ammonite has been internally replaced by calcite  with small areas showing its original mother of pearl iridescent outer shell. Its a complete ammonite sliced and polished to expose the internal cavities now lined...

Fossilized psuedomorph of calcite after ammonite halve to reveal the internal chambers lined with calcite crystals. The ammonite has been internally replaced by calcite  with small areas showing its original mother of pearl iridescent outer shell. Its a complete ammonite sliced and polished to expose the internal cavities now lined...

Brittle stars or ophiuroids are echinoderms in the class Ophiuroidea closely related to starfish. They crawl across the sea floor using their flexible arms for locomotion. The most famous Jurassic deposit in the world, is found in the Solnhofen, and Eichstatt of Germany. Limestone that make up this formation were...

Brittle stars or ophiuroids are echinoderms in the class Ophiuroidea closely related to starfish. They crawl across the sea floor using their flexible arms for locomotion. The most famous Jurassic deposit in the world, is found in the Solnhofen, and Eichstatt of Germany. Limestone that make up this formation were...

A large, clustered tower of Orthoceras fossils in sea-bed matrix. 250 to 750 million years ago, the orthoceras mollusk lived in abundance during the Paleozoic Era. Orthoceras is a member of the class Cephalopoda and is closely related to the extinct giant Cephalopod and present-day chambered nautilus. Orthoceras ("straight horn")...

A small, clustered tower of Orthoceras fossils in sea-bed matrix. 250 to 750 million years ago, the orthoceras mollusk lived in abundance during the Paleozoic Era. Orthoceras is a member of the class Cephalopoda and is closely related to the extinct giant Cephalopod and present-day chambered nautilus. Orthoceras ("straight horn")...

A stunning clustered plate of Orthoceras fossils in sea-bed matrix. The orthoceras mollusk lived in abundance during the Paleozoic Era, some 250 to 750 million years ago. Orthoceras is a member of the class Cephalopoda and is closely related to the extinct giant Cephalopod and present-day chambered nautilus. Orthoceras ("straight...

A stunning and unique Goniatite Ammonite free-form made out of polished rock containing 400 million year old fossils of Goniatites. These fossils are mined in the Atlas Mountains of Morocco. Each piece is hand carved and hand polished. Weight: 2.5 lbs, Dimensions: 7 x 2 x 10 inches

Fossilized psuedomorph of calcite after ammonite halve to reveal the internal chambers lined with calcite crystals. The ammonite has been internally replaced by calcite  with small areas showing its original mother of pearl iridescent outer shell. Its a complete ammonite sliced and polished to expose the internal cavities now lined...