Polished Ammonite Split Pair - 4.492" Cleoniceras chemistry a new technological culture developed

a new technological culture developed in North Africa: the Aterians

the LARGE Third Edition of the Mini Museum features 29 incredible and inspiring specimens

When placed under the Mini Museum

the phytosaur is far older and perhaps more frightening than the aquatic reptiles we know today

All specimens are authentic fossils from the Mesozoic and come with their own informational authenticity cards

Polished Ammonite Split Pair - 4.492" Cleoniceras chemistry a new technological culture developedAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 492" 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