Polished Ammonite Split Pair - 4.844" Cleoniceras air-and-space The single specimens offered here

The single specimens offered here come from the same mine but are much larger

The impact was witnessed by local indigenous groups

The size and strength of the vertebrae were essential to providing support for this enormous predator

1 pounds and has a maximum circumference of 18 inches

With a career that spanned nearly three decades from 1984 to 2011

Polished Ammonite Split Pair - 4.844" Cleoniceras air-and-space The single specimens offered hereAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 844" 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