Polished Ammonite Split Pair - 3.461" Cleoniceras mm3 the Sikhote Alin meteorite is

the Sikhote Alin meteorite is one of the largest meteorite falls observed in recorded history

Ancient sea urchins

and a beautiful illustration of the aquatic dinosaur

Kennedy Space Center Launch Pad 39A is now available in the shop

51" polished Cleoniceras fossil from Madagascar

Polished Ammonite Split Pair - 3.461" Cleoniceras mm3 the Sikhote Alin meteorite isAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 461" 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