Douvilleiceras: A Rugged Survivor of the Cretaceous Seas
The genus Douvilleiceras represents one of the most distinctive and recognizable groups of ammonites from the Cretaceous period, particularly the Albian to Cenomanian stages (~113 to 94 million years ago). These extinct marine mollusks belonged to the subclass Ammonoidea, distant relatives of modern squids and octopuses. What sets Douvilleiceras apart is its robust, thick shell, heavily ornamented with strong tubercles (rounded spines) and bold ribbing that spirals outward from the central coil.
Paleontologists believe this ornamentation may have served as protection from predators or played a role in buoyancy control, making Douvilleiceras not just a visually impressive fossil, but an example of evolutionary adaptation in ancient marine environments. Specimens are commonly found in phosphate basins of North Africa, particularly in Morocco’s Tafilalt region, which was once covered by warm, shallow seas ideal for marine life proliferation and preservation.
The Erfoud area is especially famous for yielding well-preserved Douvilleiceras fossils, often with striking detail and coloration thanks to the mineral-rich sediment that encased them. Though the genus is relatively widespread, specimens with high relief tubercles, natural matrix, and minimal restoration are increasingly sought after by both collectors and researchers.
To explore high-quality and hand-selected Douvilleiceras ammonites and other authentic fossils from Morocco, visit:
🌐 www.mizafossils.com