Rare iridescent baculites fossil ammonite – eubaculites otacodensis, maastrichtian, cretaceous, canada – genuine specimen with coa

Description This is a rare and beautifully iridescent Eubaculites otacodensis ammonite fossil, dating back to the Maastrichtian stage of the Late Cretaceous period (~72-66 million years ago), discovered in Canada. Eubaculites is a genus of straight-shelled ammonites, an extinct group of marine cephalopods closely related to modern squid and cuttlefish. Unlike their coiled relatives, Eubaculites developed a long, uncoiled shell, which provided unique buoyancy adaptations for open marine environments. What makes this specimen truly special is its stunning natural iridescence, caused by the preservation of the original nacreous shell layers, reflecting vibrant colors under light. This rare ammonite fossil is highly sought after for both its scientific importance and aesthetic appeal. Geological Information: Formation: Upper Cretaceous Marine Deposits Stage: Maastrichtian (~72-66 million years old) Location: Canada Depositional Environment: Marine seafloor sediments from the Western Interior Seaway Fossil Characteristics: Straight-shelled ammonite with well-defined suture patterns Exceptional iridescent nacreous shell preservation Rare Late Cretaceous specimen from Canada Highly collectible fossil with both scientific and aesthetic value Key Features: Authentic Eubaculites otacodensis fossil ammonite Rare iridescent preservation of the original shell structure From the Alice Purnell Collection 100% genuine specimen with Certificate of Authenticity Scale Rule / Cube = 1cm – Please refer to the photos for accurate sizing. All fossils are securely packaged for worldwide shipping.