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 involuta Fossil Ammonite – Kimmeridgian, Jurassic – Fairford, Gloucestershire, UK – From Alice Purnell Collection
Rasenia involuta Fossil Ammonite – Kimmeridgian, Jurassic – Fairford, Gloucestershire, UK – From Alice Purnell Collection - Image 2

Rasenia involuta Fossil Ammonite – Kimmeridgian, Jurassic – Fairford, Gloucestershire, UK – From Alice Purnell Collection

£36.00

Available here is a beautiful Rasenia involuta fossil ammonite, originating from the Kimmeridgian stage of the Late Jurassic Period (approximately 157.3 to 152.1 million years ago). This exceptional specimen was found in Fairford, Gloucestershire, United Kingdom, an area noted for high-quality Jurassic fossil preservation.

Rasenia is a genus of tightly coiled ammonites, characterised by their involute shells where the inner whorls are almost entirely hidden. They often exhibit fine ribbing and subtle ornamentation, traits that make them particularly attractive to fossil collectors and highly useful as index fossils for dating Kimmeridgian marine sediments.

This specimen is part of the prestigious Alice Purnell Collection, ensuring superb provenance and authenticity. The photo shown is of the exact specimen you will receive, and a 1cm scale cube is included for accurate size reference. Every fossil includes a Certificate of Authenticity.

Key Details:

  • Species: Rasenia involuta
  • Fossil Type: Ammonite (extinct marine cephalopod)
  • Geological Period: Kimmeridgian, Jurassic (~157.3–152.1 million years ago)
  • Location Found: Fairford, Gloucestershire, United Kingdom
  • Size: Please refer to the photo (scale cube = 1cm)
  • Authenticity: 100% Genuine Specimen – Certificate of Authenticity included
  • Photo: The actual specimen you will receive

Scientific and Collector Importance: Rasenia ammonites are particularly significant in Jurassic paleontology, serving as key biostratigraphic markers that help geologists accurately date Kimmeridgian rock layers. Their compact, elegant form also makes them highly desirable for fossil collections, educational displays, and museum exhibits.

This Rasenia involuta fossil ammonite offers both scientific value and natural beauty, making it a remarkable addition to any fossil enthusiast’s collection.

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

Fast & Secure Shipping – Carefully packed and shipped worldwide.

Own a genuine piece of Jurassic marine history with this exquisite Rasenia involuta ammonite fossil!

(Actual as seen)

Out of stock

SKU: AF1185 Category:

Description

Available here is a beautiful Rasenia involuta fossil ammonite, originating from the Kimmeridgian stage of the Late Jurassic Period (approximately 157.3 to 152.1 million years ago). This exceptional specimen was found in Fairford, Gloucestershire, United Kingdom, an area noted for high-quality Jurassic fossil preservation.

Rasenia is a genus of tightly coiled ammonites, characterised by their involute shells where the inner whorls are almost entirely hidden. They often exhibit fine ribbing and subtle ornamentation, traits that make them particularly attractive to fossil collectors and highly useful as index fossils for dating Kimmeridgian marine sediments.

This specimen is part of the prestigious Alice Purnell Collection, ensuring superb provenance and authenticity. The photo shown is of the exact specimen you will receive, and a 1cm scale cube is included for accurate size reference. Every fossil includes a Certificate of Authenticity.

Key Details:

  • Species: Rasenia involuta
  • Fossil Type: Ammonite (extinct marine cephalopod)
  • Geological Period: Kimmeridgian, Jurassic (~157.3–152.1 million years ago)
  • Location Found: Fairford, Gloucestershire, United Kingdom
  • Size: Please refer to the photo (scale cube = 1cm)
  • Authenticity: 100% Genuine Specimen – Certificate of Authenticity included
  • Photo: The actual specimen you will receive

Scientific and Collector Importance: Rasenia ammonites are particularly significant in Jurassic paleontology, serving as key biostratigraphic markers that help geologists accurately date Kimmeridgian rock layers. Their compact, elegant form also makes them highly desirable for fossil collections, educational displays, and museum exhibits.

This Rasenia involuta fossil ammonite offers both scientific value and natural beauty, making it a remarkable addition to any fossil enthusiast’s collection.

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

Fast & Secure Shipping – Carefully packed and shipped worldwide.

Own a genuine piece of Jurassic marine history with this exquisite Rasenia involuta ammonite fossil!

Additional information

Era

Jurassic
Origin

United Kingdom

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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