Description
Genuine 6 Inch Harpoceras Fossil Ammonite
This carefully chosen 6″ Harpoceras fossil ammonite is a genuine Jurassic fossil specimen from the Beacon Limestone of Ilminster, Somerset, UK. It is an attractive British ammonite fossil with strong natural display appeal, ideal for collectors of Jurassic fossils, Somerset fossils, UK ammonites, natural history specimens, educational geology pieces, and classic fossil display collections.
The photo shows the actual fossil specimen you will receive, allowing you to view its preservation, colour, shape, ribbing, matrix, surface detail, and overall character before purchase. Full sizing can be seen in the photo. This fossil is a genuine specimen and includes a Certificate of Authenticity lifetime guarantee generic card.
Discovered and Prepared by Our Own Team
Your Harpoceras fossil ammonite was discovered by our own team members, Alister and Alison, on 28 November 2025. It has been cleaned, prepped, and treated by Alison, giving the specimen a clear collecting history and trusted provenance. This makes it especially appealing for buyers looking for an authentic British fossil with known discovery details rather than a replica, cast, or mass-produced decorative item.
As with all genuine fossils, natural features may be present, including matrix, mineral staining, surface texture, small imperfections, prepared areas, repaired or treated sections, and variations in preservation. These characteristics are part of the fossil’s genuine geological history and help make each ammonite unique.
About Harpoceras Ammonites
Harpoceras is a well-known genus of ammonite from the Early Jurassic, especially associated with the Toarcian stage. Ammonites were extinct marine cephalopods related to modern squid, cuttlefish, and nautilus. They lived in ancient seas and are among the most recognisable fossils of the Jurassic Period, valued for their coiled shells, attractive natural form, and importance in dating marine rock layers.
Harpoceras ammonites are especially admired for their compressed, elegant shell shape and distinctive sweeping ribbing. The ribs often curve forward across the whorls, creating a flowing pattern that gives the fossil a sense of movement. Many examples also show a defined keel around the outer edge of the shell, a feature associated with a more streamlined form suited to active life in open marine waters.
The genus belongs within the ammonite order Ammonitida and is part of the wider group of Jurassic ammonites that are highly useful to palaeontologists and geologists. Harpoceras specimens are commonly linked with Lower Jurassic marine deposits and are popular with collectors because they combine classic ammonite beauty with strong scientific and geological interest.
Beacon Limestone and Jurassic Geology
This specimen comes from the Beacon Limestone at Ilminster in Somerset, a classic British Jurassic fossil locality known for ammonites and other marine fossils. During the Early Jurassic, this part of southern England was covered by ancient seas. Carbonate-rich sediment accumulated on the seabed, preserving the remains of ammonites, belemnites, bivalves, brachiopods, fish, and other marine life.
The Beacon Limestone records a prehistoric marine environment where shells and other remains became buried, mineralised, and preserved over millions of years. Fossils from this formation are highly collectable because they represent a tangible connection to the ancient seas that once covered Somerset and the wider UK.
Collectable British Jurassic Display Fossil
This 6″ Harpoceras fossil ammonite is a desirable display specimen for anyone searching for genuine ammonite fossils, Jurassic fossils, British fossils, Somerset fossils, Ilminster fossils, Beacon Limestone fossils, and natural history collectables. Its classic spiral form and generous size make it suitable for display in a fossil cabinet, study, classroom, shop display, geology collection, or museum-style arrangement.
With its genuine Jurassic age, Ilminster Somerset provenance, Beacon Limestone origin, discovery by Alister and Alison, preparation by Alison, and Certificate of Authenticity, this Harpoceras ammonite is a distinctive addition to any fossil collection focused on prehistoric marine life, British geology, and the ancient Jurassic seas of the UK.
Reviews
There are no reviews yet.