Polished Ammonite Split Pair - 3.544" Cleoniceras rockinabox This specimen is a split

This specimen is a split pair septarian nodule from Morocco

Glyptodons were heavily armored mammals originating in the Pliocene Epoch three million years ago

000 ft at speeds greater than Mach 3

The spine of a Tyrannosaurus Rex was subject to tremendous force

Given the heft of the pendant

Polished Ammonite Split Pair - 3.544" Cleoniceras rockinabox This specimen is a splitAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 544" 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