Polished Ammonite Split Pair - SOLD 3.907" Cleoniceras ornithischian the shape of the Core

the shape of the Core Sample is inspired by classic scientific samples used to study the composition of materials and geological stratigraphy

The Megalodon shark dominated the oceans of the world for over 20 million years

glass-topped riker display box measuring 4x3x1 inches

the Space Shuttle Atlantis was the fourth of the five space shuttles used in space operations

they have not been well preserved and most have rotted away with time

Polished Ammonite Split Pair - SOLD 3.907" Cleoniceras ornithischian the shape of the CoreAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 907" 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