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RARE Acanthopleuroceras natix Fossil Ammonite – Lower Pliensbachian, Jurassic – Calvados, France – Alice Purnell Collection
RARE Acanthopleuroceras natix Fossil Ammonite – Lower Pliensbachian, Jurassic – Calvados, France – Alice Purnell Collection - Image 2

RARE Acanthopleuroceras natix Fossil Ammonite – Lower Pliensbachian, Jurassic – Calvados, France – Alice Purnell Collection

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

Presented here is a superb example of the rare ammonite species Acanthopleuroceras natix, originating from the Lower Pliensbachian Stage of the Early Jurassic period, approximately 190 to 183 million years ago. This fossil was discovered in the well-known marine strata of Calvados, Normandy, France, and comes from the curated Alice Purnell Collection, a name associated with scientifically significant and beautifully preserved fossil specimens.

Acanthopleuroceras natix belongs to the family Amaltheidae and is recognised for its coiled shell, pronounced ribbing, and fine tuberculation. These features make the species both scientifically valuable for biostratigraphy and visually appealing to collectors. These cephalopods lived in the shallow seas that covered much of Western Europe during the Early Jurassic, using their chambered shells to control buoyancy and move through the water column.

The fossil exhibits excellent preservation, with its characteristic shell detail clearly visible and fully intact. Set within a natural matrix, this specimen makes for a striking display piece.

Geological Context: The Lower Pliensbachian was a time of extensive marine sedimentation in Europe, marked by the diversification of early ammonites. The Calvados region is particularly renowned for its rich marine fossil beds, where limestone and marl layers preserve detailed specimens of ammonites, bivalves, and other marine invertebrates. These beds play an essential role in understanding Jurassic paleoecosystems.

Key Details:

  • Species: Acanthopleuroceras natix (Fossil Ammonite)
  • Fossil Type: Extinct marine cephalopod
  • Age: Lower Pliensbachian, Early Jurassic (~190–183 million years ago)
  • Location Found: Calvados, France
  • Provenance: From the Alice Purnell Collection
  • Size: Refer to photo with 1cm scale cube for full dimensions
  • Condition: Excellent with well-preserved ribbing and overall shell form
  • Authenticity: 100% genuine specimen, supplied with a Certificate of Authenticity
  • Photo: The exact specimen shown in the image is what you will receive

Scientific & Collector Value: Acanthopleuroceras natix serves as an important biostratigraphic index fossil for the Pliensbachian Stage and is prized for its morphological characteristics. Its origin from Calvados and its provenance from the Alice Purnell Collection significantly enhance its value to fossil enthusiasts, collectors, and educational institutions.

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

Fast & Secure Shipping – Professionally packed and shipped promptly to ensure safe delivery.

Add a rare and visually striking ammonite to your collection with this Acanthopleuroceras natix fossil from the Lower Jurassic of Calvados, France.

(Actual as seen)

Only 1 left in stock

SKU: AF1134 Category:

Description

Presented here is a superb example of the rare ammonite species Acanthopleuroceras natix, originating from the Lower Pliensbachian Stage of the Early Jurassic period, approximately 190 to 183 million years ago. This fossil was discovered in the well-known marine strata of Calvados, Normandy, France, and comes from the curated Alice Purnell Collection, a name associated with scientifically significant and beautifully preserved fossil specimens.

Acanthopleuroceras natix belongs to the family Amaltheidae and is recognised for its coiled shell, pronounced ribbing, and fine tuberculation. These features make the species both scientifically valuable for biostratigraphy and visually appealing to collectors. These cephalopods lived in the shallow seas that covered much of Western Europe during the Early Jurassic, using their chambered shells to control buoyancy and move through the water column.

The fossil exhibits excellent preservation, with its characteristic shell detail clearly visible and fully intact. Set within a natural matrix, this specimen makes for a striking display piece.

Geological Context: The Lower Pliensbachian was a time of extensive marine sedimentation in Europe, marked by the diversification of early ammonites. The Calvados region is particularly renowned for its rich marine fossil beds, where limestone and marl layers preserve detailed specimens of ammonites, bivalves, and other marine invertebrates. These beds play an essential role in understanding Jurassic paleoecosystems.

Key Details:

  • Species: Acanthopleuroceras natix (Fossil Ammonite)
  • Fossil Type: Extinct marine cephalopod
  • Age: Lower Pliensbachian, Early Jurassic (~190–183 million years ago)
  • Location Found: Calvados, France
  • Provenance: From the Alice Purnell Collection
  • Size: Refer to photo with 1cm scale cube for full dimensions
  • Condition: Excellent with well-preserved ribbing and overall shell form
  • Authenticity: 100% genuine specimen, supplied with a Certificate of Authenticity
  • Photo: The exact specimen shown in the image is what you will receive

Scientific & Collector Value: Acanthopleuroceras natix serves as an important biostratigraphic index fossil for the Pliensbachian Stage and is prized for its morphological characteristics. Its origin from Calvados and its provenance from the Alice Purnell Collection significantly enhance its value to fossil enthusiasts, collectors, and educational institutions.

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

Fast & Secure Shipping – Professionally packed and shipped promptly to ensure safe delivery.

Add a rare and visually striking ammonite to your collection with this Acanthopleuroceras natix fossil from the Lower Jurassic of 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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