Calymene Trilobite Genuine Large Marine Fossil

Calymene Trilobite Genuine Large Marine Fossil Trilobites ("three-lobed entities") are extinct marine arthropods that form the class Trilobita. One of the earliest groups of arthropods to appear in the fossil record, trilobites were among the most successful of all early animals, existing in oceans for almost 270 million years, with over 22,000 species having been described. This is a genuine large specimen found in Marocco, weighted 100gr and aged between 240 to 270 million years ago.