Atlantic Sea Floor, USA Cretaceous Period. Megalodon was an prehistoric shark that may have been 40 feet (12m) long or more. (There are a few scien...

Kem Kem Formation Morocco 100 million years old. This specimen comes in a labeled display box with color image and a brief written description. The...

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

Mosasaurs are an extinct group of large marine reptiles. Their first fossil remains were discovered in a limestone quarry at Maastricht on the Meus...

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

This genuine pre-historic shark tooth makes a perfect gift for any collector. Preserved fossil tooth in matrix of the extinct mackerel shark, Otod...

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

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

This genuine single Flexicalymene Trilobite fossil is from the early Cambrian period (roughly 520 million years ago), and was found in the Tazzarin...

These trilobites from Morocco and are still embedded in their original limestone matrix! The fossils are incredibly three dimensional, with some of...

  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 ...

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