Polished Ammonite Split Pair - SOLD 4.275" Cleoniceras rockinaboxapatosaurus Ernest Hemingway

Ernest Hemingway

It is estimated to be approximately 146-156 million years old

riker-box specimens to large

The board also comes with a large informational display card with a print of the original Coelacanth fossil

All beads are teardrop in shape

Polished Ammonite Split Pair - SOLD 4.275" Cleoniceras rockinaboxapatosaurus Ernest HemingwayAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 275" 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