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Rare Indosphinctes calvus Fossil Ammonite, Callovian, Jurassic - Deux Sèvres, France - Genuine with Certificate of Authenticity
Rare Indosphinctes calvus Fossil Ammonite, Callovian, Jurassic - Deux Sèvres, France - Genuine with Certificate of Authenticity - Image 2

Rare Indosphinctes calvus Fossil Ammonite, Callovian, Jurassic – Deux Sèvres, France – Genuine with Certificate of Authenticity

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

Rare Indosphinctes calvus Fossil Ammonite – Callovian, Jurassic – Deux Sèvres, France

100% Genuine Fossil with Certificate of Authenticity

We are delighted to offer this Indosphinctes calvus fossil ammonite, discovered in Deux Sèvres, France. This rare specimen dates from the Callovian stage of the Jurassic Period (~164 million years ago). Indosphinctes calvus is a distinctive ammonite species known for its smooth, elegant coiling and fine suture patterns, making it an exceptional and valuable piece for any fossil collection.

Geological and Fossil Information:

  • Fossil Type: Indosphinctes calvus Fossil Ammonite
  • Species: Indosphinctes calvus
  • Morphology Features: The Indosphinctes calvus ammonite features a planispiral shell with tightly coiled whorls and smooth, well-defined sutures. Its distinct coiling and the smooth, rounded shape make it a perfect example of the Indosphinctes genus.
  • Geological Stage: Callovian, Jurassic (~164 million years ago)
  • Depositional Environment: The ammonite was formed in a shallow marine environment, typical of the Callovian seas. The warm, shallow waters during this period supported a rich marine ecosystem, providing ideal conditions for ammonites like Indosphinctes calvus to thrive.
  • Biozone: This specimen belongs to the Callovian biozone, which is known for the diversity of ammonites that lived during the Jurassic period.
  • Family: Ammonitidae
  • Super Family: Ammonoidea
  • Order: Ammonitida
  • Formally Identified By: This fossil has been formally identified based on its distinct morphological features and the geological context of its discovery in Deux Sèvres, France, ensuring its authenticity.

Size and Visuals:

The fossil measures approximately 3 inches in diameter. A scale rule (1cm squares) is included in the attached photo for accurate size reference. The photo shows the actual specimen you will receive, carefully selected to highlight its exceptional preservation and intricate details.

Authenticity and Certification:

All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity, ensuring the provenance and authenticity of the fossil. This Indosphinctes calvus ammonite from Deux Sèvres, France, is a rare and beautiful example of Callovian ammonites, making it an exceptional addition to any fossil collection.

(Actual as seen)

Only 1 left in stock

SKU: UF4134 Category:

Description

Rare Indosphinctes calvus Fossil Ammonite – Callovian, Jurassic – Deux Sèvres, France

100% Genuine Fossil with Certificate of Authenticity

We are delighted to offer this Indosphinctes calvus fossil ammonite, discovered in Deux Sèvres, France. This rare specimen dates from the Callovian stage of the Jurassic Period (~164 million years ago). Indosphinctes calvus is a distinctive ammonite species known for its smooth, elegant coiling and fine suture patterns, making it an exceptional and valuable piece for any fossil collection.

Geological and Fossil Information:

  • Fossil Type: Indosphinctes calvus Fossil Ammonite
  • Species: Indosphinctes calvus
  • Morphology Features: The Indosphinctes calvus ammonite features a planispiral shell with tightly coiled whorls and smooth, well-defined sutures. Its distinct coiling and the smooth, rounded shape make it a perfect example of the Indosphinctes genus.
  • Geological Stage: Callovian, Jurassic (~164 million years ago)
  • Depositional Environment: The ammonite was formed in a shallow marine environment, typical of the Callovian seas. The warm, shallow waters during this period supported a rich marine ecosystem, providing ideal conditions for ammonites like Indosphinctes calvus to thrive.
  • Biozone: This specimen belongs to the Callovian biozone, which is known for the diversity of ammonites that lived during the Jurassic period.
  • Family: Ammonitidae
  • Super Family: Ammonoidea
  • Order: Ammonitida
  • Formally Identified By: This fossil has been formally identified based on its distinct morphological features and the geological context of its discovery in Deux Sèvres, France, ensuring its authenticity.

Size and Visuals:

The fossil measures approximately 3 inches in diameter. A scale rule (1cm squares) is included in the attached photo for accurate size reference. The photo shows the actual specimen you will receive, carefully selected to highlight its exceptional preservation and intricate details.

Authenticity and Certification:

All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity, ensuring the provenance and authenticity of the fossil. This Indosphinctes calvus ammonite from Deux Sèvres, France, is a rare and beautiful example of Callovian ammonites, making it an exceptional addition to any fossil collection.

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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