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5.25" Ludwigia bradfordensis Fossil Ammonite – Lower Oxfordian Stage, Jurassic – Calvados, France – Alice Purnell Collection
5.25" Ludwigia bradfordensis Fossil Ammonite – Lower Oxfordian Stage, Jurassic – Calvados, France – Alice Purnell Collection - Image 2

5.25″ Ludwigia bradfordensis Fossil Ammonite – Lower Oxfordian Stage, Jurassic – Calvados, France – Alice Purnell Collection

Original price was: £36.00.Current price is: £28.80.

This listing features a finely preserved 5.25-inch fossil ammonite of the species Ludwigia bradfordensis, dating from the Lower Oxfordian stage of the Jurassic period, and discovered in the well-known fossiliferous deposits of Calvados, France. This specimen originates from the esteemed Alice Purnell Collection, known for its premium-quality and well-documented fossils.

Ludwigia bradfordensis is an extinct species within the Perisphinctidae family, characterised by a moderately evolute shell with strong, consistent ribbing. These ammonites were free-swimming marine cephalopods that inhabited the warm Jurassic seas around 163 to 157 million years ago. Like other ammonites, they used a system of internal chambers for buoyancy and likely preyed upon small marine creatures.

This particular specimen displays clear, sharply defined ribbing and a beautifully coiled spiral shell—hallmarks of the Ludwigia genus. It offers both scientific and aesthetic value for fossil collectors, educators, and enthusiasts.

Geological Context: During the Lower Oxfordian Stage of the Late Jurassic, northern France was submerged under a warm epicontinental sea teeming with life. The Calvados region, in Normandy, is celebrated for its fossil-rich marine limestones and marls. These layers provide exceptional preservation of ammonites and help define biostratigraphic zones used to date Jurassic sequences across Europe.

Key Details:

  • Species: Ludwigia bradfordensis (Ammonite)
  • Fossil Type: Extinct marine cephalopod
  • Age: Lower Oxfordian Stage, Jurassic (~163–157 million years ago)
  • Location Found: Calvados, France
  • Provenance: From the Alice Purnell Collection
  • Size: Approx. 5.25 inches – refer to scale cube (1cm) in photo
  • Condition: Well-preserved with prominent ribbing and defined whorls
  • Authenticity: 100% genuine fossil, supplied with a Certificate of Authenticity
  • Photo: The exact specimen shown is the one you will receive

Scientific & Collector Value: Ammonites like Ludwigia bradfordensis are of great importance in palaeontology due to their use in biostratigraphy and evolutionary studies. This specimen’s strong preservation and clear morphology, coupled with its provenance from the Alice Purnell Collection, make it a desirable acquisition for both private and institutional collectors.

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

Fast & Secure Shipping – Expertly packaged and shipped promptly for secure delivery.

Add an excellent Jurassic ammonite to your collection with this authentic 5.25″ Ludwigia bradfordensis fossil ammonite from Calvados, France.

(Actual as seen)

Only 1 left in stock

SKU: AF1114 Category:

Description

This listing features a finely preserved 5.25-inch fossil ammonite of the species Ludwigia bradfordensis, dating from the Lower Oxfordian stage of the Jurassic period, and discovered in the well-known fossiliferous deposits of Calvados, France. This specimen originates from the esteemed Alice Purnell Collection, known for its premium-quality and well-documented fossils.

Ludwigia bradfordensis is an extinct species within the Perisphinctidae family, characterised by a moderately evolute shell with strong, consistent ribbing. These ammonites were free-swimming marine cephalopods that inhabited the warm Jurassic seas around 163 to 157 million years ago. Like other ammonites, they used a system of internal chambers for buoyancy and likely preyed upon small marine creatures.

This particular specimen displays clear, sharply defined ribbing and a beautifully coiled spiral shell—hallmarks of the Ludwigia genus. It offers both scientific and aesthetic value for fossil collectors, educators, and enthusiasts.

Geological Context: During the Lower Oxfordian Stage of the Late Jurassic, northern France was submerged under a warm epicontinental sea teeming with life. The Calvados region, in Normandy, is celebrated for its fossil-rich marine limestones and marls. These layers provide exceptional preservation of ammonites and help define biostratigraphic zones used to date Jurassic sequences across Europe.

Key Details:

  • Species: Ludwigia bradfordensis (Ammonite)
  • Fossil Type: Extinct marine cephalopod
  • Age: Lower Oxfordian Stage, Jurassic (~163–157 million years ago)
  • Location Found: Calvados, France
  • Provenance: From the Alice Purnell Collection
  • Size: Approx. 5.25 inches – refer to scale cube (1cm) in photo
  • Condition: Well-preserved with prominent ribbing and defined whorls
  • Authenticity: 100% genuine fossil, supplied with a Certificate of Authenticity
  • Photo: The exact specimen shown is the one you will receive

Scientific & Collector Value: Ammonites like Ludwigia bradfordensis are of great importance in palaeontology due to their use in biostratigraphy and evolutionary studies. This specimen’s strong preservation and clear morphology, coupled with its provenance from the Alice Purnell Collection, make it a desirable acquisition for both private and institutional collectors.

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

Fast & Secure Shipping – Expertly packaged and shipped promptly for secure delivery.

Add an excellent Jurassic ammonite to your collection with this authentic 5.25″ Ludwigia bradfordensis fossil ammonite from Calvados, France.

Additional information

Era

Jurassic
Origin

France

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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