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 Perisphinctes (Dichotomoceras) stenocycloides Fossil Ammonite | Middle Oxfordian Jurassic | Le Vanneau Deux-Sèvres France
Rare Perisphinctes (Dichotomoceras) stenocycloides Fossil Ammonite | Middle Oxfordian Jurassic | Le Vanneau Deux-Sèvres France - Image 2

Rare Perisphinctes (Dichotomoceras) stenocycloides Fossil Ammonite | Middle Oxfordian Jurassic | Le Vanneau Deux-Sèvres France

Original price was: £36.00.Current price is: £30.60.

This listing is for a Rare Fossil Ammonite (Perisphinctes (Dichotomoceras) stenocycloides) from the Middle Oxfordian Stage of the Late Jurassic, discovered at Le Vanneau, Deux-Sèvres, France.

100% Genuine Fossil Specimen – All of our fossils are authentic and come with a Certificate of Authenticity.

Exact Specimen Shown – The photos provided are of the actual fossil you will receive.

Scale for Reference – Scale rule squares/cube = 1cm. Please see photos for full sizing.

 

Geological & Scientific Details:

  • Fossil Type: Ammonite (extinct marine mollusc, related to squid and octopus).
  • Species: Perisphinctes (Dichotomoceras) stenocycloides.
  • Order: Ammonitida.
  • Superfamily: Perisphinctoidea.
  • Family: Perisphinctidae.
  • Geological Period: Jurassic.
  • Stage/Age: Middle Oxfordian (approx. 163 – 157 million years ago).
  • Locality: Le Vanneau, Deux-Sèvres, France.

 

Notable Features & Morphology:

  • Shell Form: Evolute shell with open coiling, inner whorls visible.
  • Ribs: Strong, bifurcating ribs across the flanks, a key feature of Dichotomoceras.
  • Whorl Section: Rounded to slightly compressed, producing a bold ornamental appearance.
  • Size: A rare, well-preserved specimen, highly desirable for collectors.

 

Depositional Environment:

During the Oxfordian, the region that is now western France was part of a shallow epicontinental sea. Warm, carbonate-rich marine sediments allowed for excellent preservation of ammonites and associated marine fauna.

 

Scientific & Collecting Importance:

Perisphinctes (Dichotomoceras) stenocycloides is a significant ammonite species for biostratigraphic correlation in the Oxfordian. Its diagnostic ribbing and evolute form make it an important index fossil and a prized collector’s piece.

 

Why Buy This Fossil?

  • A rare ammonite species from the Oxfordian of France.
  • Excellent preservation with diagnostic ribbing and shell form.
  • A valuable addition for collectors of Jurassic ammonites or European fossil material.
  • Supplied with a Certificate of Authenticity guaranteeing its provenance.

 

All of our fossils are responsibly sourced, carefully prepared, and chosen for quality.

(Actual as seen)

Only 1 left in stock

SKU: UF4355 Category:

Description

This listing is for a Rare Fossil Ammonite (Perisphinctes (Dichotomoceras) stenocycloides) from the Middle Oxfordian Stage of the Late Jurassic, discovered at Le Vanneau, Deux-Sèvres, France.

100% Genuine Fossil Specimen – All of our fossils are authentic and come with a Certificate of Authenticity.

Exact Specimen Shown – The photos provided are of the actual fossil you will receive.

Scale for Reference – Scale rule squares/cube = 1cm. Please see photos for full sizing.

 

Geological & Scientific Details:

  • Fossil Type: Ammonite (extinct marine mollusc, related to squid and octopus).
  • Species: Perisphinctes (Dichotomoceras) stenocycloides.
  • Order: Ammonitida.
  • Superfamily: Perisphinctoidea.
  • Family: Perisphinctidae.
  • Geological Period: Jurassic.
  • Stage/Age: Middle Oxfordian (approx. 163 – 157 million years ago).
  • Locality: Le Vanneau, Deux-Sèvres, France.

 

Notable Features & Morphology:

  • Shell Form: Evolute shell with open coiling, inner whorls visible.
  • Ribs: Strong, bifurcating ribs across the flanks, a key feature of Dichotomoceras.
  • Whorl Section: Rounded to slightly compressed, producing a bold ornamental appearance.
  • Size: A rare, well-preserved specimen, highly desirable for collectors.

 

Depositional Environment:

During the Oxfordian, the region that is now western France was part of a shallow epicontinental sea. Warm, carbonate-rich marine sediments allowed for excellent preservation of ammonites and associated marine fauna.

 

Scientific & Collecting Importance:

Perisphinctes (Dichotomoceras) stenocycloides is a significant ammonite species for biostratigraphic correlation in the Oxfordian. Its diagnostic ribbing and evolute form make it an important index fossil and a prized collector’s piece.

 

Why Buy This Fossil?

  • A rare ammonite species from the Oxfordian of France.
  • Excellent preservation with diagnostic ribbing and shell form.
  • A valuable addition for collectors of Jurassic ammonites or European fossil material.
  • Supplied with a Certificate of Authenticity guaranteeing its provenance.

 

All of our fossils are responsibly sourced, carefully prepared, and chosen for quality.

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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