Specimens of the Trilobite Diacalymene, collected from Erfoud, Morocco. These trilobites date to the Ordovician, 488 – 443 million years ago. Each specimen is a positive and negative, meaning it shows both the fossil itself, as well as the impression of it within the rock. Please note that size and quality will very between specimens. Size ranges from 2 – 4cm approximately. Specimens come in a white card tray with an information label.
