Polished Ammonite Split Pair - 3.771" Cleoniceras 2026Q1-standard-20percent These trees once towered over

These trees once towered over a landscape full of dinosaurs like Tyrannosaurus Rex

the crystals are transparent on their own

Stegosaurus plate

and the La Brea Tar Pits at an exclusive discount

Extraterrestrial Amino Acids

Polished Ammonite Split Pair - 3.771" Cleoniceras 2026Q1-standard-20percent These trees once towered overAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 771" 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