Polished Ammonite Split Pair - SOLD 3.316" Cleoniceras PRIMAL Oxford University Press

Oxford University Press

" The item is housed in a glass-topped riker display box measuring 4x3x1" and comes with a small photo card that also serves as a certificate of authenticity

At 1km in diameter

the stone is displayed in a custom-made

13" at the tallest point

Polished Ammonite Split Pair - SOLD 3.316" Cleoniceras PRIMAL Oxford University PressAmmonites 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