Acanthoceras 19cm With Display Stand Solid heavyweight cast of this beautiful Ammonite from Morocco. Rear of shell is flat, designed for display. Acanthoceras was an extinct genus of large, heavily ribbed ammonite, lived approximately 100 to 93 million years ago during the Late Cretaceous period, specifically during the Cenomanian stage. These free-swimming predatory cephalopods flourished in the shallow, warm seas of the Cretaceous and left behind fossils that are now highly prized by collectors. Includes presentation box with magnet closure. Museum grade artwork, finished in a weathered fossil brown. Ships UK and internationally via tracked and insured courier FREE Shipping UK. Part of our new product releases for June 2026, now ships within 48hrs. Shipping calculated at checkout.