Polished Ammonite Split Pair - SOLD 3.45" Cleoniceras fossiljewelry While the aluminum coating is

While the aluminum coating is still bright the fabric beneath is quite fragile

A breathtaking collection

Even though it has been displaced by the titanosaurids

More information on Eurypterids can be found below

pterosaurs

Polished Ammonite Split Pair - SOLD 3.45" Cleoniceras fossiljewelry While the aluminum coating isAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 45" 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