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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Tragophylloceras Ammonite Fossil Split Nodule – Jurassic Golden Cap Dorset UK, Lower Lias
Tragophylloceras Ammonite Fossil Split Nodule – Jurassic Golden Cap Dorset UK, Lower Lias - Image 2
Tragophylloceras Ammonite Fossil Split Nodule – Jurassic Golden Cap Dorset UK, Lower Lias - Image 3

Tragophylloceras Ammonite Fossil Split Nodule – Jurassic Golden Cap Dorset UK, Lower Lias

Original price was: £24.00.Current price is: £21.60.

A beautifully preserved split nodule containing a positive and negative impression of the ammonite Tragophylloceras, collected from the Green Ammonite Beds of the Lower Lias at Golden Cap, near Seatown, Dorset, UK. This striking specimen was discovered on 03 May 2025 by our expert fossil team members Alister and Alison and has been meticulously cleaned, prepped, and treated by Alison.

Tragophylloceras is an elegant genus of Early Jurassic ammonites within the family Arietitidae, known for its smooth, discoidal form and relatively involute coiling. These ammonites are important biostratigraphic markers for the early Sinemurian and are especially desirable when preserved in natural nodules.

Fossil Type: Ammonite (extinct marine cephalopod)

Genus: Tragophylloceras

Geological Age: Lower Jurassic – Sinemurian Stage

Formation: Lower Lias Group – Green Ammonite Beds

Depositional Environment: Formed in a low-energy offshore marine setting with anoxic bottom conditions, the Green Ammonite Beds allowed for exquisite fossil preservation within concretions (nodules). These nodules often split cleanly to reveal both positive and negative fossil impressions.

Morphological Features:

  • Involute shell with smooth, rounded flanks
  • Subtle growth lines and possible faint ribbing
  • Distinct suture lines may be visible in polished or cleaned areas

Notable:

  • Complete split nodule with both halves (positive and negative)
  • Classic ammonite from the world-famous Jurassic Coast
  • Discovered and prepared by our in-house team with full provenance
  • The exact specimen photographed is the one for sale

Authenticity: All of our fossils are 100% genuine natural specimens and include a Certificate of Authenticity. Please refer to the image provided — the scale cube equals 1cm for accurate sizing.

 

This Tragophylloceras split nodule ammonite fossil from Golden Cap, Dorset is a rare and scientifically valuable specimen that combines educational interest with striking natural form—ideal for collectors and display.

(Actual as seen)

Only 1 left in stock

SKU: CF3106 Category:

Description

A beautifully preserved split nodule containing a positive and negative impression of the ammonite Tragophylloceras, collected from the Green Ammonite Beds of the Lower Lias at Golden Cap, near Seatown, Dorset, UK. This striking specimen was discovered on 03 May 2025 by our expert fossil team members Alister and Alison and has been meticulously cleaned, prepped, and treated by Alison.

Tragophylloceras is an elegant genus of Early Jurassic ammonites within the family Arietitidae, known for its smooth, discoidal form and relatively involute coiling. These ammonites are important biostratigraphic markers for the early Sinemurian and are especially desirable when preserved in natural nodules.

Fossil Type: Ammonite (extinct marine cephalopod)

Genus: Tragophylloceras

Geological Age: Lower Jurassic – Sinemurian Stage

Formation: Lower Lias Group – Green Ammonite Beds

Depositional Environment: Formed in a low-energy offshore marine setting with anoxic bottom conditions, the Green Ammonite Beds allowed for exquisite fossil preservation within concretions (nodules). These nodules often split cleanly to reveal both positive and negative fossil impressions.

Morphological Features:

  • Involute shell with smooth, rounded flanks
  • Subtle growth lines and possible faint ribbing
  • Distinct suture lines may be visible in polished or cleaned areas

Notable:

  • Complete split nodule with both halves (positive and negative)
  • Classic ammonite from the world-famous Jurassic Coast
  • Discovered and prepared by our in-house team with full provenance
  • The exact specimen photographed is the one for sale

Authenticity: All of our fossils are 100% genuine natural specimens and include a Certificate of Authenticity. Please refer to the image provided — the scale cube equals 1cm for accurate sizing.

 

This Tragophylloceras split nodule ammonite fossil from Golden Cap, Dorset is a rare and scientifically valuable specimen that combines educational interest with striking natural form—ideal for collectors and display.

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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