Orthoceras fossil nautiloid cephalopod – genuine devonian era fossil – morocco – authentic ancient marine life – coa

Description All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity Please note: Some fossils may be propped up for photo purposes Specimen: Orthoceras Type: Nautiloid Cephalopod Age: Devonian (~400 million years ago) Location: Morocco Scale cube = 1cm: Full sizing please see photo Orthoceras, meaning “Straight Horn,” is an extinct genus of nautiloid cephalopods that lived over 400 million years ago during the Devonian period. These fascinating marine creatures were early relatives of modern-day squid, octopuses, and cuttlefish. They inhabited the shallow seas and used jet propulsion by expelling water to escape predators—just like their modern descendants. This fossil preserves the distinctive straight conical shell, which was divided internally by chambers. As the animal grew, it would seal off older chambers with septa and create new ones. A tube called the siphuncle ran through the length of the shell and helped regulate buoyancy by managing gas and fluid levels in the chambers—an ingenious prehistoric adaptation. Orthoceras fossils are frequently found in the fossil-rich limestone beds of the Atlas Mountains in Morocco. They are popular among collectors and educators for their sleek, elegant form and the insight they provide into early marine life. ACTUAL AS SEEN: The image shows the EXACT specimen you will receive. Each fossil is individually hand-selected and photographed. Measurements are provided as accurately as possible, but irregular shapes may vary slightly. Colours may also differ based on lighting conditions or screen settings. Once this specimen is sold, we will update the listing with a new similar item, complete with fresh photos and dimensions.