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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2.75" rare scunthorpe ammonite fossil – asteroceras obtusum, sinemurian, jurassic, frodingham ironstone, conersby, scunthorpe, yorkshire, uk
2.75" rare scunthorpe ammonite fossil – asteroceras obtusum, sinemurian, jurassic, frodingham ironstone, conersby, scunthorpe, yorkshire, uk - Image 2
2.75" rare scunthorpe ammonite fossil – asteroceras obtusum, sinemurian, jurassic, frodingham ironstone, conersby, scunthorpe, yorkshire, uk - Image 3
2.75" rare scunthorpe ammonite fossil – asteroceras obtusum, sinemurian, jurassic, frodingham ironstone, conersby, scunthorpe, yorkshire, uk - Image 4

2.75″ rare scunthorpe ammonite fossil – asteroceras obtusum, sinemurian, jurassic, frodingham ironstone, conersby, scunthorpe, yorkshire, uk

Original price was: £480.00.Current price is: £384.00.

This listing features a rare and well-preserved Asteroceras obtusum ammonite fossil from the Frodingham Ironstone Formation, dating back to the Sinemurian stage of the Early Jurassic (approximately 195 million years ago). This specimen was discovered in Conersby, Scunthorpe, Yorkshire, UK, and is an excellent addition to any fossil collection.

About Asteroceras obtusum

Asteroceras obtusum is a member of the Asteroceratidae family, a group of ammonites known for their distinct ribbed shell morphology and coiled structure. Ammonites were an extinct group of marine mollusks closely related to modern squid, cuttlefish, and octopuses. Their beautifully preserved fossils offer a glimpse into ancient marine ecosystems that once thrived during the Jurassic period.

Fossil Details:

  • Species: Asteroceras obtusum
  • Geological Age: Sinemurian, Early Jurassic (~195 million years old)
  • Formation: Frodingham Ironstone
  • Origin: Conersby, Scunthorpe, Yorkshire, United Kingdom
  • Size: 2.75 inches (see scale for exact measurements)
  • Preservation: Excellent detail, with well-defined ribs and original shell morphology
  • Preparation: Professionally cleaned to enhance visibility of features

Why This Fossil is Special:

  • A rare ammonite species from the historically significant Frodingham Ironstone deposits
  • A well-preserved example of Asteroceras obtusum with clear ribbing
  • Sourced from the prestigious Alice Purnell Collection, one of the most renowned fossil collections in the world
  • 100 percent genuine specimen with a Certificate of Authenticity

What You See is What You Get

The ammonite fossil shown in the images is the exact specimen you will receive—no stock images used.

Buy with Confidence:

  • Authenticity Guaranteed – Professionally identified and verified
  • Secure Packaging – Carefully packed for safe shipping
  • Fast and Reliable Shipping – Worldwide shipping available

This Asteroceras obtusum ammonite fossil is a fantastic collector’s piece, perfect for fossil enthusiasts, paleontology students, and display collections. Don’t miss out on owning a genuine Jurassic ammonite from Yorkshire!

(Actual as seen)

Includes a fully hand-signed Premium Certificate of Authenticity.

Only 1 left in stock

SKU: AF0322 Categories: ,

Description

This listing features a rare and well-preserved Asteroceras obtusum ammonite fossil from the Frodingham Ironstone Formation, dating back to the Sinemurian stage of the Early Jurassic (approximately 195 million years ago). This specimen was discovered in Conersby, Scunthorpe, Yorkshire, UK, and is an excellent addition to any fossil collection.

About Asteroceras obtusum

Asteroceras obtusum is a member of the Asteroceratidae family, a group of ammonites known for their distinct ribbed shell morphology and coiled structure. Ammonites were an extinct group of marine mollusks closely related to modern squid, cuttlefish, and octopuses. Their beautifully preserved fossils offer a glimpse into ancient marine ecosystems that once thrived during the Jurassic period.

Fossil Details:

  • Species: Asteroceras obtusum
  • Geological Age: Sinemurian, Early Jurassic (~195 million years old)
  • Formation: Frodingham Ironstone
  • Origin: Conersby, Scunthorpe, Yorkshire, United Kingdom
  • Size: 2.75 inches (see scale for exact measurements)
  • Preservation: Excellent detail, with well-defined ribs and original shell morphology
  • Preparation: Professionally cleaned to enhance visibility of features

Why This Fossil is Special:

  • A rare ammonite species from the historically significant Frodingham Ironstone deposits
  • A well-preserved example of Asteroceras obtusum with clear ribbing
  • Sourced from the prestigious Alice Purnell Collection, one of the most renowned fossil collections in the world
  • 100 percent genuine specimen with a Certificate of Authenticity

What You See is What You Get

The ammonite fossil shown in the images is the exact specimen you will receive—no stock images used.

Buy with Confidence:

  • Authenticity Guaranteed – Professionally identified and verified
  • Secure Packaging – Carefully packed for safe shipping
  • Fast and Reliable Shipping – Worldwide shipping available

This Asteroceras obtusum ammonite fossil is a fantastic collector’s piece, perfect for fossil enthusiasts, paleontology students, and display collections. Don’t miss out on owning a genuine Jurassic ammonite from Yorkshire!

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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