This listing features a RARE and MASSIVE 15-inch ammonite fossil, Peltomorphites hoplophorus, from the Lower Oxfordian Stage of the Jurassic period (~160 million years old). Discovered at Wincanton Bypass, United Kingdom, this beautifully preserved specimen represents an extinct marine mollusc that thrived in the warm Jurassic seas. Large ammonites of this species are exceptionally rare, making this a highly valuable collector's piece.

Fossil Information:

Key Features:

RARE large ammonite specimen from the Jurassic period

Impressive size – 15 inches in diameter

Outstanding preservation with fine suture patterns visible

Sourced from Wincanton Bypass, UK

Comes with a Certificate of Authenticity

Scientific & Historical Significance:

Ammonites like Peltomorphites hoplophorus were marine cephalopods, related to modern-day squids and octopuses. They played a crucial role in Jurassic marine ecosystems, serving as both predators and prey. The Oxfordian Stage of the Jurassic was a time of significant marine biodiversity, and ammonites like this one are key indicators used in biostratigraphy to date rock formations.

Fossils of this size and quality are rarely found intact, making this an exceptional investment piece for serious collectors, museums, or as a unique home display. The ammonite's remarkable preservation captures its intricate shell patterns, showcasing the natural beauty of prehistoric marine life.

Authenticity & Certification:

All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity. The exact fossil shown in the listing photos is the one you will receive.

Why Buy From Us?

This ammonite originates from the Alice Purnell Collection, one of the largest and most prestigious fossil collections in the world. We specialize in museum-quality fossils, carefully sourced to ensure authenticity, rarity, and scientific value.

Don't miss this once-in-a-lifetime opportunity to own a giant Jurassic ammonite fossil of this rarity and size. Once sold, fossils like this are not easily replaced!