5" long and would make a great start

Space crystals for sale

and it is believed that they were semi-aquatic like a modern crocodilian

and each one is unique

Koneprusia Trilobite Fossil, G bears 5" long and would makeReal koneprusia trilobite for sale! This is a real, incredible, ~1. 5" long Koneprusia trilobite from the Lower Devonian of Ofaten, Morocco! It is encased in a 3. 75" long piece of prehistoric seabed. It has amazing ornamentation, in the form of spikey appendages along its body and head. WE CAN SHIP THIS SPECIMEN WORLDWIDE! Resembling horseshoe crabs, trilobites are an extinct group of arthropods that died off in the Permian mass extinction ~252