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Holcophylloceras sp. Fossil Ammonite Oxfordian Jurassic Madagascar

Original price was: £24.00.Current price is: £19.20.

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

Identification

This listing features a Holcophylloceras sp. fossil ammonite identified as Oxfordian and Jurassic, with Madagascar included in the supplied specimen information. The identification is presented at genus level, using “sp.” to indicate Holcophylloceras without assigning a more specific species name. It is a distinctive addition for collectors interested in ammonites, Jurassic paleontology and fossil cephalopods.

Geological Context

The Oxfordian is a stage within the Jurassic Period, placing this fossil within an important interval of Mesozoic geological history. Ammonites were extinct marine cephalopods with coiled shells, and their fossils are widely valued for their evolutionary significance, geological context and attractive natural forms. As a Jurassic ammonite, Holcophylloceras belongs to the wider fossil record of marine life preserved during the age of the dinosaurs.

Holcophylloceras Ammonite Interest

Holcophylloceras is an ammonite genus, making this specimen relevant to collectors of fossil cephalopods and Jurassic invertebrates. Ammonites are especially popular because their fossilised shells provide a direct connection to ancient marine environments and help illustrate the diversity of extinct life. A genus-level specimen can be displayed as a natural-history object, used as part of a teaching collection or added to a broader assemblage of Jurassic fossils.

Collection and Authenticity

This specimen is from the Alice Purnell Collection. The supplied certificate wording is included below exactly as provided:

This Fossil is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.

The certificate wording accompanies the listing as stated and provides an additional documentation feature for collectors, fossil enthusiasts and gift buyers seeking a specimen with a certificate reference.

Photography and Sizing

The photograph shows the actual specimen you will receive.

Full sizing is shown in the photographs. Please use the listing photographs to review the specimen’s presentation and scale before purchase. The images are intended to show the exact item offered, allowing collectors to assess its visible appearance for display, study or incorporation into a fossil collection.

Display and Collecting

This Oxfordian Jurassic ammonite fossil is suited to natural-history displays, fossil cabinets, geology collections and educational settings. It can complement other ammonites, Jurassic fossils or marine invertebrate specimens while offering a tangible example of extinct cephalopod life. Its Holcophylloceras identification and Madagascar association make it a useful keyword match for collectors searching for Jurassic ammonites and fossil specimens connected with Madagascar.

The specimen may also appeal to students, educators and anyone interested in geological time, ancient marine ecosystems and the fossil record. Its combination of genus-level identification, Oxfordian Jurassic age designation, collection history and authenticity wording gives it clear relevance within a focused paleontology collection.

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