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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Rare Fossil Ammonite Cadoceras durum w/ Petrified Wood | Jurassic Callovian | Semington UK
Rare Fossil Ammonite Cadoceras durum w/ Petrified Wood | Jurassic Callovian | Semington UK - Image 2
Rare Fossil Ammonite Cadoceras durum w/ Petrified Wood | Jurassic Callovian | Semington UK - Image 3

Rare Fossil Ammonite Cadoceras durum w/ Petrified Wood | Jurassic Callovian | Semington UK

£144.00

Rare and exceptional Fossil Ammonite Cadoceras durum with fossilised petrified wood, originating from the Callovian Stage of the Middle Jurassic, discovered at the Semington Bypass, Trowbridge, Wiltshire, United Kingdom. This genuine and naturally preserved specimen showcases the beauty of Jurassic marine life, paired with fossilised wood, a rare combination reflecting both marine and terrestrial environments.

This listing features the exact specimen shown in the photos. A scale cube (1cm per square) is included for size reference. Please refer to the photographs for full dimensions and condition. This is not a stock photo: you will receive the fossil pictured.

 

Geological & Palaeontological Information:

  • Fossil Type: Ammonite with Petrified Wood Association
  • Species: Cadoceras durum (Sowerby, 1816)
  • Geological Period: Jurassic
  • Stage: Callovian (Middle Jurassic, ~166-163 million years ago)
  • Location: Semington Bypass, Trowbridge, Wiltshire, UK
  • Depositional Environment: Shallow marine shelf environment with occasional terrestrial debris (evident from associated wood)
  • Ammonite Family: Cardioceratidae
  • Superfamily: Stephanoceratoidea
  • Order: Ammonitida
  • Zone/Biozone (inferred): Possibly within the Macrocephalites or Cadoceras zones of the Callovian Stage
  • Morphological Features: Cadoceras species are known for their thick, strongly ribbed shells with complex suture patterns. This specimen may show preserved suture detail and a solid body chamber.

 

Notable Associations:

  • The presence of petrified wood suggests terrestrial plant material was transported into the marine environment, offering insight into local palaeogeography and sediment transport processes.

 

Why Buy This Specimen?

  • Rare association of ammonite and petrified wood
  • Excellent addition to any Jurassic or UK fossil collection
  • Educational value for geology, palaeontology, and earth history
  • Supplied with Certificate of Authenticity
  • Ethically sourced and 100% genuine fossil

 

Keywords for SEO: Cadoceras durum fossil, Jurassic ammonite, Callovian ammonite UK, fossilised wood, fossil ammonite with wood, UK Jurassic fossils, authentic fossil specimen, Middle Jurassic ammonites, rare ammonite fossil, Trowbridge fossil ammonite, ammonite gift, fossil for collectors, geological specimen UK

 

All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity. Guaranteed.

(Actual as seen)

Only 1 left in stock

SKU: UF4444 Category:

Description

Rare and exceptional Fossil Ammonite Cadoceras durum with fossilised petrified wood, originating from the Callovian Stage of the Middle Jurassic, discovered at the Semington Bypass, Trowbridge, Wiltshire, United Kingdom. This genuine and naturally preserved specimen showcases the beauty of Jurassic marine life, paired with fossilised wood, a rare combination reflecting both marine and terrestrial environments.

This listing features the exact specimen shown in the photos. A scale cube (1cm per square) is included for size reference. Please refer to the photographs for full dimensions and condition. This is not a stock photo: you will receive the fossil pictured.

 

Geological & Palaeontological Information:

  • Fossil Type: Ammonite with Petrified Wood Association
  • Species: Cadoceras durum (Sowerby, 1816)
  • Geological Period: Jurassic
  • Stage: Callovian (Middle Jurassic, ~166-163 million years ago)
  • Location: Semington Bypass, Trowbridge, Wiltshire, UK
  • Depositional Environment: Shallow marine shelf environment with occasional terrestrial debris (evident from associated wood)
  • Ammonite Family: Cardioceratidae
  • Superfamily: Stephanoceratoidea
  • Order: Ammonitida
  • Zone/Biozone (inferred): Possibly within the Macrocephalites or Cadoceras zones of the Callovian Stage
  • Morphological Features: Cadoceras species are known for their thick, strongly ribbed shells with complex suture patterns. This specimen may show preserved suture detail and a solid body chamber.

 

Notable Associations:

  • The presence of petrified wood suggests terrestrial plant material was transported into the marine environment, offering insight into local palaeogeography and sediment transport processes.

 

Why Buy This Specimen?

  • Rare association of ammonite and petrified wood
  • Excellent addition to any Jurassic or UK fossil collection
  • Educational value for geology, palaeontology, and earth history
  • Supplied with Certificate of Authenticity
  • Ethically sourced and 100% genuine fossil

 

Keywords for SEO: Cadoceras durum fossil, Jurassic ammonite, Callovian ammonite UK, fossilised wood, fossil ammonite with wood, UK Jurassic fossils, authentic fossil specimen, Middle Jurassic ammonites, rare ammonite fossil, Trowbridge fossil ammonite, ammonite gift, fossil for collectors, geological specimen UK

 

All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity. Guaranteed.

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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