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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5.5" Cadoceras durum Ammonite Fossil - Callovian Jurassic - Semington Bypass Trowbridge UK - COA Included
5.5" Cadoceras durum Ammonite Fossil - Callovian Jurassic - Semington Bypass Trowbridge UK - COA Included - Image 2
5.5" Cadoceras durum Ammonite Fossil - Callovian Jurassic - Semington Bypass Trowbridge UK - COA Included - Image 3

5.5″ Cadoceras durum Ammonite Fossil – Callovian Jurassic – Semington Bypass Trowbridge UK – COA Included

£120.00

Now available is a large and striking 5.5″ Cadoceras durum ammonite fossil, discovered at Semmington Bypass, Trowbridge, United Kingdom, and dating to the Callovian stage of the Middle Jurassic, approximately 165 to 161 million years ago.

This specimen originates from the prestigious Alice Purnell Collection, known for its scientifically significant and highly curated fossils. The ammonite in the photos is the exact piece you will receive, chosen for its impressive size, distinct ribbing, and excellent preservation.

Geological & Species Details:

  • Species: Cadoceras durum
  • Type: Ammonite (extinct marine cephalopod)
  • Age: Jurassic (Callovian Stage)
  • Location: Semmington Bypass, Trowbridge, United Kingdom

Key Features:

  • 100% Genuine Fossil – Comes with a Certificate of Authenticity.
  • Large 5.5″ Specimen – Eye-catching size with well-preserved form.
  • Detailed Ribbing and Shell Structure – Characteristic of the Cadoceras genus.
  • From the Alice Purnell Collection – Renowned for quality and provenance.
  • Ideal for Collectors, Museums, Educational Display, or Gifts
  • Scale Rule / Cube = 1cm – Refer to listing photo for accurate sizing.

Cadoceras durum is a robust and iconic ammonite species known for its strong ribbing and inflated shell. Its presence in the Callovian strata makes it important for biostratigraphic correlation and a valuable addition to any collection.

Don’t miss the chance to add this impressive Cadoceras durum ammonite fossil to your collection—a genuine piece of Britain’s Jurassic marine heritage!

(Actual as seen)

Out of stock

SKU: AF2041 Category:

Description

Now available is a large and striking 5.5″ Cadoceras durum ammonite fossil, discovered at Semington Bypass, Trowbridge, United Kingdom, and dating to the Callovian stage of the Middle Jurassic, approximately 165 to 161 million years ago.

This specimen originates from the prestigious Alice Purnell Collection, known for its scientifically significant and highly curated fossils. The ammonite in the photos is the exact piece you will receive, chosen for its impressive size, distinct ribbing, and excellent preservation.

Geological & Species Details:

  • Species: Cadoceras durum
  • Type: Ammonite (extinct marine cephalopod)
  • Age: Jurassic (Callovian Stage)
  • Location: Semington Bypass, Trowbridge, United Kingdom

Key Features:

  • 100% Genuine Fossil – Comes with a Certificate of Authenticity.
  • Large 5.5″ Specimen – Eye-catching size with well-preserved form.
  • Detailed Ribbing and Shell Structure – Characteristic of the Cadoceras genus.
  • From the Alice Purnell Collection – Renowned for quality and provenance.
  • Ideal for Collectors, Museums, Educational Display, or Gifts
  • Scale Rule / Cube = 1cm – Refer to listing photo for accurate sizing.

Cadoceras durum is a robust and iconic ammonite species known for its strong ribbing and inflated shell. Its presence in the Callovian strata makes it important for biostratigraphic correlation and a valuable addition to any collection.

Don’t miss the chance to add this impressive Cadoceras durum ammonite fossil to your collection—a genuine piece of Britain’s Jurassic marine heritage!

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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