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 7″ ringsteadia pseudoyo fossil ammonite, ampthill clay, kimmeridgian, jurassic: south marston, swindon, wiltshire, uk

£240.00

This listing features a rare 7-inch Ringsteadia pseudoyo fossil ammonite from the Kimmeridgian stage of the Jurassic period. Unearthed from the Ampthill Clay Formation in South Marston, Swindon, Wiltshire, UK, this exceptional fossil is a unique piece of Earth’s ancient marine history.

Key Features:

  • Species: Ringsteadia pseudoyo
  • Geological Period: Kimmeridgian, Jurassic (~157–152 million years ago)
  • Formation: Ampthill Clay
  • Location: South Marston, Swindon, Wiltshire, UK
  • Size: 7 inches in diameter (Scale Rule Squares = 1cm, please see photos for detailed sizing)
  • Condition: Beautifully preserved, showcasing intricate shell structure and coiling

About Ringsteadia pseudoyo:

Ringsteadia pseudoyo is a fascinating ammonite species from the Kimmeridgian stage of the Jurassic. Known for its distinctive ribbed and tightly coiled shell, it is a prime example of ammonites that thrived in the shallow marine environments of the time. Fossils of this species are highly prized for their rarity and scientific importance, making this an exceptional find.

Provenance and Authenticity:

This extraordinary specimen comes from the world-renowned Alice Purnell Collection, one of the largest and most prestigious collections of ammonites globally. It includes a Certificate of Authenticity, verifying the fossil’s origin, species, and geological age, ensuring confidence in its authenticity.

Why This Fossil is Special:

  1. Rare Discovery: Fossils of Ringsteadia pseudoyo are incredibly rare and sought after by collectors and researchers alike.
  2. Exceptional Detail: This ammonite is well-preserved, highlighting its unique ribbing and coiling patterns.
  3. Prestigious Provenance: As part of the Alice Purnell Collection, this fossil is of museum-grade quality, adding value and significance.

Ideal for Collectors, Displays, and Education

This fossil ammonite is a perfect addition to any collection or display. Its historical and scientific importance, combined with its visual appeal, also makes it an excellent educational tool for learning about Jurassic marine ecosystems.

What You Will Receive:

  • The exact fossil shown in the listing photos
  • A Certificate of Authenticity verifying the fossil’s origin, species, and geological period

Additional Details:

This ammonite has been professionally cleaned and prepared to reveal its intricate details. The preservation quality showcases the stunning natural features of Ringsteadia pseudoyo, making it a standout piece for collectors and enthusiasts.

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

Don’t miss the chance to own this rare 7-inch Ringsteadia pseudoyo fossil ammonite from South Marston, Swindon, Wiltshire, UK. This stunning specimen, from the Jurassic period’s Kimmeridgian stage, represents a unique opportunity to acquire a piece of prehistoric history. Add this exceptional fossil to your collection today!

(Actual as seen)

Out of stock

SKU: AF0124 Category:

Description

This listing features a rare 7-inch Ringsteadia pseudoyo fossil ammonite from the Kimmeridgian stage of the Jurassic period. Unearthed from the Ampthill Clay Formation in South Marston, Swindon, Wiltshire, UK, this exceptional fossil is a unique piece of Earth’s ancient marine history.

Key Features:

  • Species: Ringsteadia pseudoyo
  • Geological Period: Kimmeridgian, Jurassic (~157–152 million years ago)
  • Formation: Ampthill Clay
  • Location: South Marston, Swindon, Wiltshire, UK
  • Size: 7 inches in diameter (Scale Rule Squares = 1cm, please see photos for detailed sizing)
  • Condition: Beautifully preserved, showcasing intricate shell structure and coiling

About Ringsteadia pseudoyo:

Ringsteadia pseudoyo is a fascinating ammonite species from the Kimmeridgian stage of the Jurassic. Known for its distinctive ribbed and tightly coiled shell, it is a prime example of ammonites that thrived in the shallow marine environments of the time. Fossils of this species are highly prized for their rarity and scientific importance, making this an exceptional find.

Provenance and Authenticity:

This extraordinary specimen comes from the world-renowned Alice Purnell Collection, one of the largest and most prestigious collections of ammonites globally. It includes a Certificate of Authenticity, verifying the fossil’s origin, species, and geological age, ensuring confidence in its authenticity.

Why This Fossil is Special:

  1. Rare Discovery: Fossils of Ringsteadia pseudoyo are incredibly rare and sought after by collectors and researchers alike.
  2. Exceptional Detail: This ammonite is well-preserved, highlighting its unique ribbing and coiling patterns.
  3. Prestigious Provenance: As part of the Alice Purnell Collection, this fossil is of museum-grade quality, adding value and significance.

Ideal for Collectors, Displays, and Education

This fossil ammonite is a perfect addition to any collection or display. Its historical and scientific importance, combined with its visual appeal, also makes it an excellent educational tool for learning about Jurassic marine ecosystems.

What You Will Receive:

  • The exact fossil shown in the listing photos
  • A Certificate of Authenticity verifying the fossil’s origin, species, and geological period

Additional Details:

This ammonite has been professionally cleaned and prepared to reveal its intricate details. The preservation quality showcases the stunning natural features of Ringsteadia pseudoyo, making it a standout piece for collectors and enthusiasts.

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

Don’t miss the chance to own this rare 7-inch Ringsteadia pseudoyo fossil ammonite from South Marston, Swindon, Wiltshire, UK. This stunning specimen, from the Jurassic period’s Kimmeridgian stage, represents a unique opportunity to acquire a piece of prehistoric history. Add this exceptional fossil to your collection today!

Additional information

Weight 0.1 g
Dimensions 10 × 10 × 10 cm
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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