Polished Ammonite Split Pair - 4.455" Cleoniceras rockinaboxraptor and the elevated rates of

and the elevated rates of abnormal bone morphology within the frill bones are consistent with predictions from modeling of horn-to-horn combat

such as raptors and the iconic Tyrannosaurus rex

The Whos Set List

energetic animals that oftentimes had keen senses

traveling approximately 126 million miles

Polished Ammonite Split Pair - 4.455" Cleoniceras rockinaboxraptor and the elevated rates ofAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 455" 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