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astronauts ran experiments
This specimen is a Plesiosaur tooth embedded in matrix
Mining sites like this are the perfect place to find highly detailed fossils from the Carboniferous
Collect a piece of original handwriting from world-famous Beatles bassist/singer/songwriter
Polished Ammonite Split Pair - 4.710" Cleoniceras mars astronauts ran experimentsAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 710" 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
