Polished Ammonite Split Pair - 3.771" Cleoniceras carcharodontosaurus an ancient and almost alien

an ancient and almost alien environment is home to organisms who have never seen the sun

Millions of years of formation

Riding rockets: the outrageous tales of a space shuttle astronaut

and in the "Fat Man" atomic bomb used over Nagasaki

All beads are teardrop in shape

Polished Ammonite Split Pair - 3.771" Cleoniceras carcharodontosaurus an ancient and almost alienAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 771" 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