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 Harpoceratoides alternatus Ammonite Fossil, Toarcian Jurassic, Whitby, UK - Genuine COA"
RARE Harpoceratoides alternatus Ammonite Fossil, Toarcian Jurassic, Whitby, UK - Genuine COA" - Image 2
RARE Harpoceratoides alternatus Ammonite Fossil, Toarcian Jurassic, Whitby, UK - Genuine COA" - Image 3
RARE Harpoceratoides alternatus Ammonite Fossil, Toarcian Jurassic, Whitby, UK - Genuine COA" - Image 4
RARE Harpoceratoides alternatus Ammonite Fossil, Toarcian Jurassic, Whitby, UK - Genuine COA" - Image 5
RARE Harpoceratoides alternatus Ammonite Fossil, Toarcian Jurassic, Whitby, UK - Genuine COA" - Image 6

RARE Harpoceratoides alternatus Ammonite Fossil, Toarcian Jurassic, Whitby, UK – Genuine COA”

£48.00

RARE: Harpoceratoides alternatus Ammonite Fossil

Geological Period: Toarcian, Jurassic (~183-174 million years ago)

Location: Whitby, UK

This stunning Harpoceratoides alternatus ammonite fossil is an exceptional specimen from the Toarcian stage of the Jurassic period, offering a rare and fascinating glimpse into Earth’s prehistoric marine ecosystems. Sourced from the world-renowned Whitby area in the UK, this fossil showcases the intricate shell details characteristic of this species.

Key Features:

  • Species: Harpoceratoides alternatus
  • Geological Age: Toarcian, Jurassic (~183-174 million years old)
  • Origin: Whitby, UK
  • Size: Refer to the photo for precise measurements (Scale rule squares = 1cm).
  • Authenticity: Comes with a Certificate of Authenticity, guaranteeing its genuineness.

Provenance:

This incredible fossil is part of the prestigious Alice Purnell Collection, one of the largest and most distinguished collections of ammonites in the world. Owning a fossil from this collection is a unique opportunity to acquire a piece of history curated by a passionate collector renowned for her dedication to paleontology.

About the Species:

Harpoceratoides alternatus is a species of ammonite that lived in the warm, shallow seas of the Jurassic period. These marine mollusks are known for their coiled and ribbed shells, which served as buoyancy aids and a protective structure. Fossils of this species are highly prized for their well-defined ridges and exquisite preservation, making them important for both collectors and scientific study.

Why Choose This Fossil?

This carefully chosen specimen is not only a remarkable piece of natural history but also a visually captivating example of Harpoceratoides alternatus. The fossil in the photo is the exact one you will receive, ensuring you get exactly what you see. Its exceptional preservation and provenance make it a standout addition to any fossil collection.

Don’t miss this rare opportunity to own a genuine piece of Earth’s prehistoric past, rich in history and beauty!

(Actual as seen)

Out of stock

SKU: AF0169 Category:

Description

RARE: Harpoceratoides alternatus Ammonite Fossil

Geological Period: Toarcian, Jurassic (~183-174 million years ago)

Location: Whitby, UK

This stunning Harpoceratoides alternatus ammonite fossil is an exceptional specimen from the Toarcian stage of the Jurassic period, offering a rare and fascinating glimpse into Earth’s prehistoric marine ecosystems. Sourced from the world-renowned Whitby area in the UK, this fossil showcases the intricate shell details characteristic of this species.

Key Features:

  • Species: Harpoceratoides alternatus
  • Geological Age: Toarcian, Jurassic (~183-174 million years old)
  • Origin: Whitby, UK
  • Size: Refer to the photo for precise measurements (Scale rule squares = 1cm).
  • Authenticity: Comes with a Certificate of Authenticity, guaranteeing its genuineness.

Provenance:

This incredible fossil is part of the prestigious Alice Purnell Collection, one of the largest and most distinguished collections of ammonites in the world. Owning a fossil from this collection is a unique opportunity to acquire a piece of history curated by a passionate collector renowned for her dedication to paleontology.

About the Species:

Harpoceratoides alternatus is a species of ammonite that lived in the warm, shallow seas of the Jurassic period. These marine mollusks are known for their coiled and ribbed shells, which served as buoyancy aids and a protective structure. Fossils of this species are highly prized for their well-defined ridges and exquisite preservation, making them important for both collectors and scientific study.

Why Choose This Fossil?

This carefully chosen specimen is not only a remarkable piece of natural history but also a visually captivating example of Harpoceratoides alternatus. The fossil in the photo is the exact one you will receive, ensuring you get exactly what you see. Its exceptional preservation and provenance make it a standout addition to any fossil collection.

Don’t miss this rare opportunity to own a genuine piece of Earth’s prehistoric past, rich in history and beauty!

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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