Polished Ammonite Split Pair - SOLD 4.272" Cleoniceras javelina Please Note: This specimen first

Please Note: This specimen first appeared in the Third Edition of the Mini Museum (MM3)

In the ancient past of the Carboniferous Period

the chief catalyst of this extinction event is a series of massive volcanic eruptions known as the Siberian Traps

Brittle Stars are one of the oldest groups of animals in the fossil record

Polished Ammonite Split Pair - SOLD 4.272" Cleoniceras javelina Please Note: This specimen firstAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 272" 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