Trilobite Fossils, Flexicalymene (B GRADE) skeleton disks would make a great

disks would make a great addition to any collection

Though they are more closely related to coleoids (squid

decision to offer them to the public to help us fund the expansion of our Space Exploration exhibit

This measures ~7

Trilobite Fossils, Flexicalymene (B GRADE) skeleton disks would make a greatThese are real fossilized trilobites (Flexicalymene ouzregui)! Trilobites were an extremely adaptive marine arthropod that first evolved roughly 521 million years ago and rapidly spread across the globe. They diversified into approximately 17,000 species and were one of history's most successful animals existing for over 270 million years before extinction! These 1. 5 3" long INCOMPLETE trilobites date back to the Upper Ordovician and were found in