Polished Ammonite Split Pair - 3.730" Cleoniceras rockinaboxgastrolith SAN ANDREAS FAULT

SAN ANDREAS FAULT

another predator ruled the seas

island-dwelling species

it is associated with the Oldowan industry

This necklace is made with an inlay of Tyrannosaurus rex bone fossil powder

Polished Ammonite Split Pair - 3.730" Cleoniceras rockinaboxgastrolith SAN ANDREAS FAULTAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 730" 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