Polished Ammonite Split Pair - 3.446" Cleoniceras protomammal MOSASAUR (TOOTH)

MOSASAUR (TOOTH)

1970 celebrating Ali's return to the ring

Crinoids are an incredible group of aquatic animals that attach themselves to the seafloor and filter feed with beautiful feathered arms

Includes matching chain

378" in length

Polished Ammonite Split Pair - 3.446" Cleoniceras protomammal MOSASAUR (TOOTH)Ammonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 446" 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