Polished Ammonite Split Pair - 3.461" Cleoniceras mm3 50" fossil plant from the

50" fossil plant from the species Macroneuropteris scheuchzeri that was recovered from a coal bed in Pennsylvania

These tektites were launched over 150 square miles and were eventually collected and traded by early human societies

The exposed tooth measures 2

and a beautiful illustration of the aquatic dinosaur

Most abundant and diverse during the Triassic and Jurassic Periods

Polished Ammonite Split Pair - 3.461" Cleoniceras mm3 50" fossil plant from theAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 461" polished Cleoniceras fossil from Madagascar. The fossil has been split into a paired set to showcase the beautiful internal chambers of the shell. These internal chambers are called septa and the ammonite could fill them with air in order to float through the ocean like a balloon. After millions of years, they are now