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RARE 6.5" Acanthoceras jukesbrowni Fossil Chalk Ammonite – Lower Cenomanian, Cretaceous – France – Alice Purnell Collection
RARE 6.5" Acanthoceras jukesbrowni Fossil Chalk Ammonite – Lower Cenomanian, Cretaceous – France – Alice Purnell Collection - Image 2

RARE 6.5″ Acanthoceras jukesbrowni Fossil Chalk Ammonite – Lower Cenomanian, Cretaceous – France – Alice Purnell Collection

£42.00

This listing features a stunning and scientifically important fossil ammonite of the species Acanthoceras jukesbrowni from the Lower Cenomanian Stage of the Late Cretaceous period, dating to approximately 100.5–98 million years ago. This large 6.5-inch specimen comes from France, preserved in chalk and curated as part of the respected Alice Purnell Collection, which is known for its museum-grade fossil specimens.

Acanthoceras jukesbrowni is a robust ammonite species belonging to the family Acanthoceratidae. It is characterised by a broad, evolute shell with prominent ribbing and regularly spaced tubercles. These features not only add to its visual appeal but also make the species valuable in stratigraphy as a key biostratigraphic marker for the early Late Cretaceous. These ammonites were free-swimming cephalopods that roamed warm epicontinental seas and were an important part of the mid-level marine food chain.

This fossil is preserved within the fine chalk matrix typical of Cenomanian deposits, showing well-defined ribs, shell structure, and natural curvature.

Geological Context: The Lower Cenomanian Stage is the earliest part of the Late Cretaceous and was characterised by warm climates and widespread shallow marine habitats. Chalk deposits formed across Europe, preserving a rich marine invertebrate fauna, particularly ammonites like Acanthoceras. Fossils from this stage are crucial for Cretaceous marine stratigraphy and provide key insights into evolutionary patterns.

Key Details:

  • Species: Acanthoceras jukesbrowni (Fossil Ammonite)
  • Fossil Type: Extinct marine cephalopod
  • Age: Lower Cenomanian, Late Cretaceous (~100.5–98 million years ago)
  • Location Found: France
  • Provenance: From the Alice Purnell Collection
  • Size: Approx. 6.5 inches (refer to photo with 1cm scale cube for dimensions)
  • Condition: Excellent preservation in white chalk matrix
  • Authenticity: Guaranteed 100% genuine and supplied with a Certificate of Authenticity
  • Photo: The actual specimen shown in the listing image is what you will receive

Scientific & Collector Value: Acanthoceras jukesbrowni is a prized species for both collectors and researchers due to its diagnostic shell features and importance in Cretaceous stratigraphy. With its clean preservation, impressive size, and origin from the Alice Purnell Collection, this specimen is ideal for collectors, museums, or academic institutions.

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.

Fast & Secure Shipping – Carefully packed and dispatched quickly to ensure it arrives safely.

Own a remarkable piece of ancient marine history with this 6.5″ Acanthoceras jukesbrowni fossil chalk ammonite from the Cenomanian of France.

(Actual as seen)

Out of stock

SKU: AF1130 Category:

Description

This listing features a stunning and scientifically important fossil ammonite of the species Acanthoceras jukesbrowni from the Lower Cenomanian Stage of the Late Cretaceous period, dating to approximately 100.5–98 million years ago. This large 6.5-inch specimen comes from France, preserved in chalk and curated as part of the respected Alice Purnell Collection, which is known for its museum-grade fossil specimens.

Acanthoceras jukesbrowni is a robust ammonite species belonging to the family Acanthoceratidae. It is characterised by a broad, evolute shell with prominent ribbing and regularly spaced tubercles. These features not only add to its visual appeal but also make the species valuable in stratigraphy as a key biostratigraphic marker for the early Late Cretaceous. These ammonites were free-swimming cephalopods that roamed warm epicontinental seas and were an important part of the mid-level marine food chain.

This fossil is preserved within the fine chalk matrix typical of Cenomanian deposits, showing well-defined ribs, shell structure, and natural curvature.

Geological Context: The Lower Cenomanian Stage is the earliest part of the Late Cretaceous and was characterised by warm climates and widespread shallow marine habitats. Chalk deposits formed across Europe, preserving a rich marine invertebrate fauna, particularly ammonites like Acanthoceras. Fossils from this stage are crucial for Cretaceous marine stratigraphy and provide key insights into evolutionary patterns.

Key Details:

  • Species: Acanthoceras jukesbrowni (Fossil Ammonite)
  • Fossil Type: Extinct marine cephalopod
  • Age: Lower Cenomanian, Late Cretaceous (~100.5–98 million years ago)
  • Location Found: France
  • Provenance: From the Alice Purnell Collection
  • Size: Approx. 6.5 inches (refer to photo with 1cm scale cube for dimensions)
  • Condition: Excellent preservation in white chalk matrix
  • Authenticity: Guaranteed 100% genuine and supplied with a Certificate of Authenticity
  • Photo: The actual specimen shown in the listing image is what you will receive

Scientific & Collector Value: Acanthoceras jukesbrowni is a prized species for both collectors and researchers due to its diagnostic shell features and importance in Cretaceous stratigraphy. With its clean preservation, impressive size, and origin from the Alice Purnell Collection, this specimen is ideal for collectors, museums, or academic institutions.

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.

Fast & Secure Shipping – Carefully packed and dispatched quickly to ensure it arrives safely.

Own a remarkable piece of ancient marine history with this 6.5″ Acanthoceras jukesbrowni fossil chalk ammonite from the Cenomanian of France.

Additional information

Era

Cretaceous
Origin

France

Cretaceous Information

The Cretaceous Period (145–66 million years ago) was the final era of the Mesozoic, marked by the dominance of dinosaurs and the rise of flowering plants. It had a warm, greenhouse climate, with high sea levels that created vast shallow inland seas. Marine life flourished, including mosasaurs, ammonites, and rudist reefs, while the land was ruled by iconic dinosaurs like Tyrannosaurus rex, Triceratops, and Spinosaurus. Mammals and birds diversified, and insects thrived. The period ended with the mass extinction event, likely caused by an asteroid impact, wiping out the dinosaurs and paving the way for the rise of mammals in the Cenozoic.

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