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ANISOCERAS PERARMATUM Heteromorph Ammonite Fossil – Upper Albian, Cretaceous – High Alpes, France – Alice Purnell Collection

£36.00

A rare and visually striking Anisoceras perarmatum fossil ammonite from the Upper Albian Stage of the Lower Cretaceous, discovered in the High Alpes region of France. This heteromorph ammonite, known for its coiled but irregular shell structure, features a unique display of pronounced ribbing and characteristic spines, making it a standout addition to any fossil collection. The piece originates from the esteemed Alice Purnell Collection.

The specimen pictured is the exact fossil you will receive. Scale Rule Squares / Cube = 1cm. Please see the photo for full sizing.

Geological & Scientific Details:

  • Fossil Type: Heteromorph Ammonite (Extinct Marine Cephalopod)
  • Species: Anisoceras perarmatum
  • Geological Age: Upper Albian, Lower Cretaceous (~105 million years ago)
  • Location: High Alpes, France
  • Morphology Features: This ammonite displays a loosely coiled heteromorph shell with well-developed tubercles and strong ribbing along the flanks. The open planispiral coil allows for recognition among Cretaceous ammonites.
  • Family: Anisoceratidae
  • Superfamily: Turrilitoidea
  • Order: Ammonitida
  • Depositional Environment: Shallow marine environment, likely representing outer shelf to slope settings during high sea levels of the mid-Cretaceous transgression
  • Notable: Anisoceras perarmatum is highly collectible due to its elaborate shell ornamentation and its contribution to biostratigraphic understanding of the Albian stage.

This fossil is not only a display-worthy specimen but also a valuable tool for paleontological and educational study.

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

Please Note:

  • Scale Rule Squares / Cube = 1cm – See photo for full dimensions
  • The specimen shown is the exact item you will receive
  • From the prestigious Alice Purnell Collection

(Actual as seen)

Out of stock

SKU: AF1321 Category:

Description

A rare and visually striking Anisoceras perarmatum fossil ammonite from the Upper Albian Stage of the Lower Cretaceous, discovered in the High Alpes region of France. This heteromorph ammonite, known for its coiled but irregular shell structure, features a unique display of pronounced ribbing and characteristic spines, making it a standout addition to any fossil collection. The piece originates from the esteemed Alice Purnell Collection.

The specimen pictured is the exact fossil you will receive. Scale Rule Squares / Cube = 1cm. Please see the photo for full sizing.

Geological & Scientific Details:

  • Fossil Type: Heteromorph Ammonite (Extinct Marine Cephalopod)
  • Species: Anisoceras perarmatum
  • Geological Age: Upper Albian, Lower Cretaceous (~105 million years ago)
  • Location: High Alpes, France
  • Morphology Features: This ammonite displays a loosely coiled heteromorph shell with well-developed tubercles and strong ribbing along the flanks. The open planispiral coil allows for recognition among Cretaceous ammonites.
  • Family: Anisoceratidae
  • Superfamily: Turrilitoidea
  • Order: Ammonitida
  • Depositional Environment: Shallow marine environment, likely representing outer shelf to slope settings during high sea levels of the mid-Cretaceous transgression
  • Notable: Anisoceras perarmatum is highly collectible due to its elaborate shell ornamentation and its contribution to biostratigraphic understanding of the Albian stage.

This fossil is not only a display-worthy specimen but also a valuable tool for paleontological and educational study.

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

Please Note:

  • Scale Rule Squares / Cube = 1cm – See photo for full dimensions
  • The specimen shown is the exact item you will receive
  • From the prestigious Alice Purnell Collection

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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