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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6.5″ Geyerina fasciata Fossil Ammonite – Inferior Oolite, Jurassic Coast: Burton Bradstock, Dorset, UK

Original price was: £60.00.Current price is: £54.00.

This striking 6.5″ Geyerina fasciata fossil ammonite originates from the renowned Inferior Oolite Formation of the Jurassic Coast, discovered in Burton Bradstock, Dorset, UK. A classic ammonite from the Bajocian Stage of the Middle Jurassic, this specimen is an exceptional example of its type.

  • Species: Geyerina fasciata
  • Geological Unit: Inferior Oolite Formation
  • Geological Period: Middle Jurassic
  • Stage: Bajocian
  • Depositional Environment: Shallow marine carbonate platform
  • Family: Sonniniidae
  • Order: Ammonitida

Geyerina fasciata is recognised for its broad, compressed shell with strong ribbing that may bifurcate towards the outer whorls. Its morphology reflects an active, nektonic lifestyle typical of ammonites from this period.

This specific fossil was unearthed by our experienced fossil hunters, Alister and Alison, on 30 April 2025. It has been professionally cleaned and prepared by Alison to preserve all the natural detail and enhance its display value.

  • Notable Features: Distinctive strong ribbing, fine preservation of growth lines
  • Zone/Biozone: Parkinsoni Zone (inferred)

The listing includes a high-resolution photograph of the actual specimen you will receive. The scale cube is 1cm – refer to the image for precise sizing.

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

This ammonite is ideal for collectors, educators, and anyone passionate about the geological heritage of Britain’s Jurassic Coast. A standout display piece from a highly sought-after locality.

 

(Actual as seen)

Only 1 left in stock

SKU: CF3084 Category:

Description

This striking 6.5″ Geyerina fasciata fossil ammonite originates from the renowned Inferior Oolite Formation of the Jurassic Coast, discovered in Burton Bradstock, Dorset, UK. A classic ammonite from the Bajocian Stage of the Middle Jurassic, this specimen is an exceptional example of its type.

  • Species: Geyerina fasciata
  • Geological Unit: Inferior Oolite Formation
  • Geological Period: Middle Jurassic
  • Stage: Bajocian
  • Depositional Environment: Shallow marine carbonate platform
  • Family: Sonniniidae
  • Order: Ammonitida

Geyerina fasciata is recognised for its broad, compressed shell with strong ribbing that may bifurcate towards the outer whorls. Its morphology reflects an active, nektonic lifestyle typical of ammonites from this period.

This specific fossil was unearthed by our experienced fossil hunters, Alister and Alison, on 30 April 2025. It has been professionally cleaned and prepared by Alison to preserve all the natural detail and enhance its display value.

  • Notable Features: Distinctive strong ribbing, fine preservation of growth lines
  • Zone/Biozone: Parkinsoni Zone (inferred)

The listing includes a high-resolution photograph of the actual specimen you will receive. The scale cube is 1cm – refer to the image for precise sizing.

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

This ammonite is ideal for collectors, educators, and anyone passionate about the geological heritage of Britain’s Jurassic Coast. A standout display piece from a highly sought-after locality.

 

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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