Cornuproteus cornutus is a species of trilobite which lived over 345 million years ago during the Devonian period, like other trilobites, it was a bottom feeder, feeding on small organic debris from the sea floor. It has compound eyes for excellent vision and a segmented body. this particular species is easily identified due to their long genial spines protruding from the side of their cephalon (head), which run down almost the entire side of their bodies. This particular samples exhibits a single fossil measuring 40 mm in length and 23 mm wide, it was found in the limestones of the Hamar Laghdad Formation in Djebel Issoumour, Alnif, Morocco. Professionally prepped and cleaned, the fossil can be clearly seen, along with many morphological details such as the thorax segments, tail, glabella, eyes etc. As such, it is still within a pale brown coloured limestone matrix which measures, 95 x 60 mm in size and will come supplied in a card tray with an information label.