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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Holcophylloceras sp. fossil ammonite – oxfordian, jurassic – madagascar
Holcophylloceras sp. fossil ammonite – oxfordian, jurassic – madagascar - Image 2
Holcophylloceras sp. fossil ammonite – oxfordian, jurassic – madagascar - Image 3

Holcophylloceras sp. fossil ammonite – oxfordian, jurassic – madagascar

Original price was: £24.00.Current price is: £21.60.

Holcophylloceras sp. Fossil Ammonite – Oxfordian, Jurassic – Madagascar

About the Fossil:

This exceptionally preserved Holcophylloceras sp. ammonite fossil originates from the Oxfordian stage of the Late Jurassic (~163-157 million years ago) and was discovered in Madagascar. Holcophylloceras is a genus of phylloceratid ammonites, characterized by their highly involute, smooth shells with intricate, lobed suture patterns. Unlike heavily ribbed ammonites, phylloceratids have a more streamlined shell, suggesting they may have been strong swimmers in deeper marine environments.

During the Late Jurassic, ammonites like Holcophylloceras sp. thrived in warm, shallow to deep marine ecosystems, playing a crucial role in ancient oceanic food chains. The Oxfordian deposits of Madagascar are recognized for their rich ammonite-bearing formations, providing paleontologists and collectors with insights into the diverse cephalopod fauna of the Jurassic seas.

Geology & Formation:

  • Geological Age: Oxfordian, Late Jurassic (~163-157 million years ago)
  • Formation: Marine sedimentary deposits
  • Location: Madagascar
  • Preservation: Excellent fossilization with intricate suture patterns, smooth shell texture, and original chamber structures

Why This Fossil?

✔ 100% Genuine Specimen – Comes with a Certificate of Authenticity

✔ Highly Collectible & Rare – From the renowned Alice Purnell Collection

✔ Perfect for Display or Study – Ideal for fossil collectors, students, and paleontology enthusiasts

✔ Scale Rule/Cube = 1cm – See photos for full sizing

The fossil in the photo is the exact specimen you will receive!

📦 Secure Packaging & Fast Shipping – Your fossil will be carefully packed for a safe journey!

(Actual as seen)

Only 1 left in stock

SKU: AF1095 Category:

Description

Holcophylloceras sp. Fossil Ammonite – Oxfordian, Jurassic – Madagascar

About the Fossil:

This exceptionally preserved Holcophylloceras sp. ammonite fossil originates from the Oxfordian stage of the Late Jurassic (~163-157 million years ago) and was discovered in Madagascar. Holcophylloceras is a genus of phylloceratid ammonites, characterized by their highly involute, smooth shells with intricate, lobed suture patterns. Unlike heavily ribbed ammonites, phylloceratids have a more streamlined shell, suggesting they may have been strong swimmers in deeper marine environments.

During the Late Jurassic, ammonites like Holcophylloceras sp. thrived in warm, shallow to deep marine ecosystems, playing a crucial role in ancient oceanic food chains. The Oxfordian deposits of Madagascar are recognized for their rich ammonite-bearing formations, providing paleontologists and collectors with insights into the diverse cephalopod fauna of the Jurassic seas.

Geology & Formation:

  • Geological Age: Oxfordian, Late Jurassic (~163-157 million years ago)
  • Formation: Marine sedimentary deposits
  • Location: Madagascar
  • Preservation: Excellent fossilization with intricate suture patterns, smooth shell texture, and original chamber structures

Why This Fossil?

✔ 100% Genuine Specimen – Comes with a Certificate of Authenticity

✔ Highly Collectible & Rare – From the renowned Alice Purnell Collection

✔ Perfect for Display or Study – Ideal for fossil collectors, students, and paleontology enthusiasts

✔ Scale Rule/Cube = 1cm – See photos for full sizing

The fossil in the photo is the exact specimen you will receive!

📦 Secure Packaging & Fast Shipping – Your fossil will be carefully packed for a safe journey!

Additional information

Era

Jurassic
Origin

Madagascar

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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