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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Rasenia Fossil Ammonite, Lower Kimmeridgian, Jurassic – Deux Sèvres, France – Genuine with Certificate of Authenticity

Original price was: £18.00.Current price is: £16.20.

Rasenia Fossil Ammonite – Lower Kimmeridgian, Jurassic – Deux Sèvres, France

100% Genuine Fossil with Certificate of Authenticity

We are excited to present this Rasenia fossil ammonite, discovered in Deux Sèvres, France. This fascinating specimen dates back to the Lower Kimmeridgian stage of the Jurassic Period (~157 million years ago). The Rasenia ammonite is well-known for its distinctive spiral shape and robust shell structure, making it a rare and valuable fossil for collectors and enthusiasts alike.

Geological and Fossil Information:

  • Fossil Type: Rasenia Fossil Ammonite
  • Species: Rasenia
  • Morphology Features: The Rasenia ammonite is characterized by its spiral coiled shell with deep sutures and distinctive whorls. The shell structure is relatively thick, offering excellent preservation of its intricate features, including growth lines and ribbing.
  • Geological Stage: Lower Kimmeridgian, Jurassic (~157 million years ago)
  • Depositional Environment: The Rasenia ammonite lived in shallow marine environments typical of the Kimmeridgian seas. These seas provided ideal conditions for ammonites, allowing for the development of this species’ characteristic spiral shells.
  • Biozone: The fossil comes from the Lower Kimmeridgian biozone, a period that is important for understanding the Jurassic marine ecosystem and the diversity of ammonites during this time.
  • Family: Desmoceratidae
  • Super Family: Desmocerataceae
  • Order: Ammonitida
  • Formally Identified By: This fossil has been formally identified based on its spiral shell and distinctive morphological features, and its geological context in Deux Sèvres, France, ensures 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 is of the actual specimen you will receive, carefully chosen 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 Rasenia ammonite from the Lower Kimmeridgian stage of the Jurassic Period is a well-preserved example of Jurassic marine life, making it a valuable addition to any fossil collection.

(Actual as seen)

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SKU: UF4155 Category:

Description

Rasenia Fossil Ammonite – Lower Kimmeridgian, Jurassic – Deux Sèvres, France

100% Genuine Fossil with Certificate of Authenticity

We are excited to present this Rasenia fossil ammonite, discovered in Deux Sèvres, France. This fascinating specimen dates back to the Lower Kimmeridgian stage of the Jurassic Period (~157 million years ago). The Rasenia ammonite is well-known for its distinctive spiral shape and robust shell structure, making it a rare and valuable fossil for collectors and enthusiasts alike.

Geological and Fossil Information:

  • Fossil Type: Rasenia Fossil Ammonite
  • Species: Rasenia
  • Morphology Features: The Rasenia ammonite is characterized by its spiral coiled shell with deep sutures and distinctive whorls. The shell structure is relatively thick, offering excellent preservation of its intricate features, including growth lines and ribbing.
  • Geological Stage: Lower Kimmeridgian, Jurassic (~157 million years ago)
  • Depositional Environment: The Rasenia ammonite lived in shallow marine environments typical of the Kimmeridgian seas. These seas provided ideal conditions for ammonites, allowing for the development of this species’ characteristic spiral shells.
  • Biozone: The fossil comes from the Lower Kimmeridgian biozone, a period that is important for understanding the Jurassic marine ecosystem and the diversity of ammonites during this time.
  • Family: Desmoceratidae
  • Super Family: Desmocerataceae
  • Order: Ammonitida
  • Formally Identified By: This fossil has been formally identified based on its spiral shell and distinctive morphological features, and its geological context in Deux Sèvres, France, ensures 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 is of the actual specimen you will receive, carefully chosen 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 Rasenia ammonite from the Lower Kimmeridgian stage of the Jurassic Period is a well-preserved example of Jurassic marine life, making it a valuable 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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