Fossils for Sale - High-quality BRITISH and WORLDWIDE Fossils. An impressive selection of fossils, including Ammonites, Trilobites, Belemnites, Fossil Fish, Fossil Shark Teeth, Fossilised Insects in Amber, Dinosaurs, and Reptiles. UK Fossils was formed in 1988 and collects and preps our own fossils in the heart of the Jurassic Coast, collecting fossils from Lyme Regis, Charmouth and Somerset. Our passion for fossils is reflected in our carefully curated collection, which includes some of the rarest and most unique specimens available.

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VERY RARE: Spiroceras bifurcati Fossil Heteromorph Ammonite – Inferior Oolite, Jurassic Coast, Burton Bradstock, Dorset, UK
VERY RARE: Spiroceras bifurcati Fossil Heteromorph Ammonite – Inferior Oolite, Jurassic Coast, Burton Bradstock, Dorset, UK - Image 2

VERY RARE: Spiroceras bifurcati Fossil Heteromorph Ammonite – Inferior Oolite, Jurassic Coast, Burton Bradstock, Dorset, UK

Original price was: £480.00.Current price is: £432.00.

Offering a highly rare and visually striking Spiroceras bifurcati heteromorph ammonite fossil from the Jurassic Coast, Burton Bradstock, Dorset, UK. This unique fossil specimen was excavated from the famous Inferior Oolite Formation, a classic Jurassic unit renowned for preserving a wide array of ammonite species in beautiful condition.

  • Geological Unit: Inferior Oolite Formation
  • Geological Period: Jurassic
  • Stage: Bajocian (Middle Jurassic)
  • Depositional Environment: Shallow marine carbonate platform
  • Order: Ammonitida
  • Superfamily: Stephanoceratoidea
  • Family: Hammatoceratidae

The Spiroceras bifurcati is a heteromorph ammonite known for its coiled and irregular shell morphology—a rarity among ammonites. The spiral and bifurcated whorls make it highly desirable for collectors and palaeontologists alike.

This rare specimen was collected on 30 April 2025 by our skilled fossil hunters, Alister and Alison. It has been expertly cleaned and conserved by Alison, maintaining the specimen’s authenticity and scientific integrity. The fossil remains embedded in its original limestone matrix.

The images show the actual fossil you will receive. A 1cm scale cube is shown for reference—please see all listing photos for full sizing details.

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.

A once-in-a-lifetime chance to own a rare Spiroceras bifurcati ammonite—perfect for discerning collectors, natural history enthusiasts, or as an educational centrepiece.

(Actual as seen)

Includes a fully hand-signed Premium Certificate of Authenticity.

Only 1 left in stock

SKU: CF3113 Category:

Description

Offering a highly rare and visually striking Spiroceras bifurcati heteromorph ammonite fossil from the Jurassic Coast, Burton Bradstock, Dorset, UK. This unique fossil specimen was excavated from the famous Inferior Oolite Formation, a classic Jurassic unit renowned for preserving a wide array of ammonite species in beautiful condition.

  • Geological Unit: Inferior Oolite Formation
  • Geological Period: Jurassic
  • Stage: Bajocian (Middle Jurassic)
  • Depositional Environment: Shallow marine carbonate platform
  • Order: Ammonitida
  • Superfamily: Stephanoceratoidea
  • Family: Hammatoceratidae

The Spiroceras bifurcati is a heteromorph ammonite known for its coiled and irregular shell morphology—a rarity among ammonites. The spiral and bifurcated whorls make it highly desirable for collectors and palaeontologists alike.

This rare specimen was collected on 30 April 2025 by our skilled fossil hunters, Alister and Alison. It has been expertly cleaned and conserved by Alison, maintaining the specimen’s authenticity and scientific integrity. The fossil remains embedded in its original limestone matrix.

The images show the actual fossil you will receive. A 1cm scale cube is shown for reference—please see all listing photos for full sizing details.

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.

A once-in-a-lifetime chance to own a rare Spiroceras bifurcati ammonite—perfect for discerning collectors, natural history enthusiasts, or as an educational centrepiece.

Additional information

Era

Jurassic
Origin

United Kingdom

Jurassic Information

The Jurassic Period (201–145 million years ago) was the golden age of dinosaurs, with iconic species like Brachiosaurus, Stegosaurus, and Allosaurus dominating the land. It was a time of warm, humid climates, with high sea levels that created vast shallow seas, supporting abundant marine reptiles, ammonites, and early coral reefs. The first birds, such as Archaeopteryx, evolved from small theropod dinosaurs, while early mammals remained small and nocturnal. Lush forests of cycads, conifers, and ferns covered the land, providing food for giant herbivores. The breakup of the supercontinent Pangaea accelerated, shaping Earth's geography and setting the stage for the diverse ecosystems of the Cretaceous.

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