Polished Ammonite Split Pair - 3.307" Cleoniceras mm2 but there are also bound

but there are also bound pairs from our original prototype work and selections of smaller pieces

They are enclosed inside acrylic specimen jars and housed inside our classic

60" long and is 1" in diameter

025" dinosaur gastrolith from the Morrison Formation in Colorado

rex had heavy

Polished Ammonite Split Pair - 3.307" Cleoniceras mm2 but there are also boundAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 307" 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