Polished Ammonite Split Pair - SOLD 3.316" Cleoniceras PRIMAL the stone is displayed in

the stone is displayed in a custom-made

Small - Less than 1

glass-topped riker display case measuring 4x3x1 inches

It's a unique and beautiful piece of history from the Age of Dinosaurs

13" at the tallest point

Polished Ammonite Split Pair - SOLD 3.316" Cleoniceras PRIMAL the stone is displayed inAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 316" 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