Polished Ammonite Split Pair - 3.771" Cleoniceras carcharodontosaurus Above: Front of Specimen Card

Above: Front of Specimen Card

Riding rockets: the outrageous tales of a space shuttle astronaut

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

The specimen comes inside a classic

Polished Ammonite Split Pair - 3.771" Cleoniceras carcharodontosaurus Above: Front of Specimen CardAmmonites 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