Orthoceras Cephalopod Fossil (+/- 9.00") - Devonian, MoroccoAuthentic Orthoceras fossil from the Devonian period, found in the black limestone formations of Morocco. Orthoceras, meaning straight horn, is an extinct cephalopod related to modern squids, octopuses, and nautiluses. Our Orthoceras specimens are selected from Moroccos famous fossil beds and professionally polished to enhance the visible structure. Each piece is unique and often displays multiple fossils within a single slab of natural limestone.