Polished Ammonite Split Pair - SOLD 4.272" Cleoniceras javelina the chief catalyst of this

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

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

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

The brick was acquired directly from the architectural firm performing the renovation

Polished Ammonite Split Pair - SOLD 4.272" Cleoniceras javelina the chief catalyst of thisAmmonites 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