Ammonite Fibonacci Youth T-Shirt Size:S This material is known from

This material is known from the Windalia Radiolarite Formation in western Australia and dates back over 112

” National Parks Service

Tyrannosaurus Skull Pendant

Mini Museum's material comes from one of these 1973 bricks

" ~ Paul McCartney

Ammonite Fibonacci Youth T-Shirt Size:S This material is known fromAmmonites 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