Ammonite Fibonacci T-shirt mm2_collection and in the case of

and in the case of these fossils

University of Edinburgh

Both small and large specimens are available

Each specimen is enclosed in an acrylic specimen jar held within a handsome

including impaling tens of thousands of captured Turks

Ammonite Fibonacci T-shirt mm2_collection and in the case ofAmmonites were incredible sea creatures that first entered the fossil record 400 million years ago. They survived several mass extinction events, including the PermianTriassic "Great Dying" which wiped out 96% of all marine species. They finally succumbed during the Cretaceous Paleogene extinction event 66 million years ago, which also wiped out the dinosaurs. The size of ammonite shells range from sub centimeter dwarf species to giants nearly three