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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Amaltheus stokesi Ammonite Fossil | Upper Pliensbachian, Jurassic | South Petherton Somerset UK | Alice Purnell Collection
Amaltheus stokesi Ammonite Fossil | Upper Pliensbachian, Jurassic | South Petherton Somerset UK | Alice Purnell Collection - Image 2

Amaltheus stokesi Ammonite Fossil | Upper Pliensbachian, Jurassic | South Petherton Somerset UK | Alice Purnell Collection

£24.00

Fossil Type & Species:

This listing features a genuine ammonite fossil of Amaltheus stokesi, a distinctive and scientifically important species from the Upper Pliensbachian Stage of the Lower Jurassic Period. This particular specimen was collected from South Petherton, Somerset, United Kingdom, and comes from the reputable Alice Purnell Collection, known for its scientifically curated British fossil material.

Geological Formation & Insight:

Amaltheus is a genus of ammonites in the family Dactylioceratidae, characterised by its evolute, discoidal shell, sharp ribbing, and relatively wide umbilicus. Amaltheus stokesi, in particular, is known for its bold ribbing and is an important index fossil for the upper part of the Pliensbachian Stage (~190–183 million years ago).

This specimen originates from Lower Jurassic marine sediments, deposited in a shallow epicontinental sea that once covered large parts of what is now southern England. The South Petherton area in Somerset is part of the classic ammonite-rich Jurassic outcrops of the West Country, known for yielding high-quality fossils from the Lias Group.

The Pliensbachian Stage represents a dynamic time in Earth’s history, marked by marine transgressions and high ammonite diversity. Ammonites like Amaltheus stokesi are critical for understanding the evolutionary and environmental changes during this period.

Item Specifics:

  • Fossil Type: Ammonite
  • Species: Amaltheus stokesi
  • Geological Age: Upper Pliensbachian Stage, Lower Jurassic (~190–183 million years ago)
  • Formation: Lias Group
  • Locality: South Petherton, Somerset, United Kingdom
  • Provenance: From the Alice Purnell Collection
  • Preservation: Excellent – prominent ribbing, well-preserved whorls, and natural matrix
  • Colour: Natural brown-grey fossil in sedimentary matrix
  • Size: Please see photograph – scale cube = 1cm per square
  • Condition: 100% natural; no restoration
  • Specimen: You will receive the exact fossil shown in the photographs

Authenticity Guarantee:

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity. This Amaltheus stokesi ammonite is part of the renowned Alice Purnell Collection, ensuring authenticity, provenance, and collector-grade scientific quality.

Shipping & Packaging:

Carefully packaged and shipped with full tracking. A beautifully preserved ammonite fossil — ideal for collectors, educators, museums, or as a one-of-a-kind natural history gift.

Thank you for visiting our shop — explore our full collection of authentic fossils, crystals, and natural treasures!

(Actual as seen)

Out of stock

SKU: AF2094 Category:

Description

Fossil Type & Species:

This listing features a genuine ammonite fossil of Amaltheus stokesi, a distinctive and scientifically important species from the Upper Pliensbachian Stage of the Lower Jurassic Period. This particular specimen was collected from South Petherton, Somerset, United Kingdom, and comes from the reputable Alice Purnell Collection, known for its scientifically curated British fossil material.

Geological Formation & Insight:

Amaltheus is a genus of ammonites in the family Dactylioceratidae, characterised by its evolute, discoidal shell, sharp ribbing, and relatively wide umbilicus. Amaltheus stokesi, in particular, is known for its bold ribbing and is an important index fossil for the upper part of the Pliensbachian Stage (~190–183 million years ago).

This specimen originates from Lower Jurassic marine sediments, deposited in a shallow epicontinental sea that once covered large parts of what is now southern England. The South Petherton area in Somerset is part of the classic ammonite-rich Jurassic outcrops of the West Country, known for yielding high-quality fossils from the Lias Group.

The Pliensbachian Stage represents a dynamic time in Earth’s history, marked by marine transgressions and high ammonite diversity. Ammonites like Amaltheus stokesi are critical for understanding the evolutionary and environmental changes during this period.

Item Specifics:

  • Fossil Type: Ammonite
  • Species: Amaltheus stokesi
  • Geological Age: Upper Pliensbachian Stage, Lower Jurassic (~190–183 million years ago)
  • Formation: Lias Group
  • Locality: South Petherton, Somerset, United Kingdom
  • Provenance: From the Alice Purnell Collection
  • Preservation: Excellent – prominent ribbing, well-preserved whorls, and natural matrix
  • Colour: Natural brown-grey fossil in sedimentary matrix
  • Size: Please see photograph – scale cube = 1cm per square
  • Condition: 100% natural; no restoration
  • Specimen: You will receive the exact fossil shown in the photographs

Authenticity Guarantee:

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity. This Amaltheus stokesi ammonite is part of the renowned Alice Purnell Collection, ensuring authenticity, provenance, and collector-grade scientific quality.

Shipping & Packaging:

Carefully packaged and shipped with full tracking. A beautifully preserved ammonite fossil — ideal for collectors, educators, museums, or as a one-of-a-kind natural history gift.

Thank you for visiting our shop — explore our full collection of authentic fossils, crystals, and natural treasures!

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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