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 Dactylioceras athleticum Ammonite Fossil – Upper Lias, Lower Toarcian, Jurassic, Whitby, Yorkshire, UK – Genuine Specimen with COA
RARE Dactylioceras athleticum Ammonite Fossil – Upper Lias, Lower Toarcian, Jurassic, Whitby, Yorkshire, UK – Genuine Specimen with COA - Image 2
RARE Dactylioceras athleticum Ammonite Fossil – Upper Lias, Lower Toarcian, Jurassic, Whitby, Yorkshire, UK – Genuine Specimen with COA - Image 3

RARE Dactylioceras athleticum Ammonite Fossil – Upper Lias, Lower Toarcian, Jurassic, Whitby, Yorkshire, UK – Genuine Specimen with COA

£36.00

This is a rare Dactylioceras athleticum ammonite fossil, dating back to the Lower Toarcian stage of the Early Jurassic period (~183-180 million years ago), discovered in Whitby, Yorkshire, UK. Dactylioceras is one of the most iconic ammonite genera from the Jurassic, known for its elegantly ribbed, involute shell with fine, radiating ribs and a strong keel.

Specimens from Whitby’s famous Upper Lias shale deposits are highly sought after due to their exceptional preservation, often retaining intricate shell details. Dactylioceras athleticum was a fast-moving, nektonic predator that thrived in Jurassic seas, playing a key role in the marine ecosystem.

This well-preserved specimen is an excellent addition to any collection, offering both scientific value and visual appeal.

Geological Information:

  • Formation: Whitby Mudstone Formation
  • Stage: Upper Lias, Lower Toarcian (~183-180 million years old)
  • Location: Whitby, Yorkshire, UK
  • Depositional Environment: Shallow marine seafloor with fine-grained sediment accumulation

Fossil Characteristics:

  • Involute shell with well-defined ribbing and distinct keel
  • Excellent preservation of surface details and growth patterns
  • Rare Early Jurassic ammonite from the UK
  • Highly collectible fossil with both scientific and aesthetic significance

Key Features:

  • Authentic Dactylioceras athleticum ammonite fossil
  • Rare and well-preserved specimen from the Jurassic period
  • From the Alice Purnell Collection
  • 100% genuine specimen with Certificate of Authenticity

Scale Rule / Cube = 1cm – Please refer to the photos for accurate sizing.

All fossils are securely packaged for worldwide shipping.

(Actual as seen)

Out of stock

SKU: AF0543 Category:

Description

This is a rare Dactylioceras athleticum ammonite fossil, dating back to the Lower Toarcian stage of the Early Jurassic period (~183-180 million years ago), discovered in Whitby, Yorkshire, UK. Dactylioceras is one of the most iconic ammonite genera from the Jurassic, known for its elegantly ribbed, involute shell with fine, radiating ribs and a strong keel.

Specimens from Whitby’s famous Upper Lias shale deposits are highly sought after due to their exceptional preservation, often retaining intricate shell details. Dactylioceras athleticum was a fast-moving, nektonic predator that thrived in Jurassic seas, playing a key role in the marine ecosystem.

This well-preserved specimen is an excellent addition to any collection, offering both scientific value and visual appeal.

Geological Information:

  • Formation: Whitby Mudstone Formation
  • Stage: Upper Lias, Lower Toarcian (~183-180 million years old)
  • Location: Whitby, Yorkshire, UK
  • Depositional Environment: Shallow marine seafloor with fine-grained sediment accumulation

Fossil Characteristics:

  • Involute shell with well-defined ribbing and distinct keel
  • Excellent preservation of surface details and growth patterns
  • Rare Early Jurassic ammonite from the UK
  • Highly collectible fossil with both scientific and aesthetic significance

Key Features:

  • Authentic Dactylioceras athleticum ammonite fossil
  • Rare and well-preserved specimen from the Jurassic period
  • From the Alice Purnell Collection
  • 100% genuine specimen with Certificate of Authenticity

Scale Rule / Cube = 1cm – Please refer to the photos for accurate sizing.

All fossils are securely packaged for worldwide shipping.

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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