This is a Trilobite (Cyphaspis Waltheri) it was found in Jbel Mrakib - Morocco. These guys dominated the seas from the early Cambrian period all the way until they went extinct during the Cambrian period and then they slowly died off during the Permian period. This specimen is in shale and is 100% real. 3 x 2 1/4 x 5/8.