Polished Ammonite Split Pair - 3.913" Cleoniceras fossilrockcrystal 63" polished Cleoniceras fossil from

63" polished Cleoniceras fossil from Madagascar

glass-topped riker display boxes

Color and patterns vary widely though they are all amazing

These creatures were some of the most evolutionarily advanced members of the phytosaur family

Featured in the Fourth Edition of the Mini Museum

Polished Ammonite Split Pair - 3.913" Cleoniceras fossilrockcrystal 63" polished Cleoniceras fossil fromAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 913" 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