Polished Ammonite Split Pair - 3.797" Cleoniceras rockinaboxgeo and you will probably laugh

and you will probably laugh a little bit and want to bounce it in your palm

For at least 63 million years

straight from the quill of Mini Museum wordsmith Erik

The chambers were made with a new gelatine-brushed cotton

Polished Ammonite Split Pair - 3.797" Cleoniceras rockinaboxgeo and you will probably laughAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 797" 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