This listing presents a RARE and EXCEPTIONAL 13-inch fossilized Nautilus (Cenoceras striatus) from the Lower Sinemurian Stage of the Early Jurassic (~199–191 million years ago). Sourced from Watchet, Somerset, UK, this specimen exhibits remarkable preservation, showcasing the characteristic smooth, coiled shell of this ancient cephalopod. A superb addition to any fossil collection, museum display, or educational exhibit!
Cenoceras is an extinct genus of nautiloid cephalopods that thrived in Jurassic seas. Unlike ammonites, nautiluses have a simpler suture pattern, reflecting their evolutionary lineage that still exists today in modern nautiluses. These ancient marine predators used jet propulsion to navigate shallow seas, hunting for small fish and invertebrates.
This well-preserved specimen from the Lower Sinemurian Stage represents an important part of Jurassic marine ecosystems, providing insight into the evolutionary history of cephalopods.
Authentic & Large Nautilus Fossil – A significant piece of Jurassic marine history.
Exceptional Preservation – Features well-defined shell structure and natural detail.
Highly Collectible Specimen – A perfect piece for serious collectors and museums.
From the Alice Purnell Collection – One of the largest ammonite collections in the world.
100% Genuine & Certified – Comes with a Certificate of Authenticity.
The fossil pictured is the exact one you will receive. We do not use stock images!
100% Genuine Fossils – Backed by our Certificate of Authenticity
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An extraordinary fossilized nautilus, perfect for collectors, educators, and fossil enthusiasts!