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RARE Fossil Ammonite ERYMNOCERAS ARGOVIENSE – Middle Callovian, Jurassic: Orne, France – Genuine & Certified
RARE Fossil Ammonite ERYMNOCERAS ARGOVIENSE – Middle Callovian, Jurassic: Orne, France – Genuine & Certified - Image 2

RARE Fossil Ammonite ERYMNOCERAS ARGOVIENSE – Middle Callovian, Jurassic: Orne, France – Genuine & Certified

£36.00

This listing features a rare and scientifically significant fossil specimen of Erymnoceras argoviense, an ammonite from the Middle Callovian stage of the Jurassic period. This exceptional piece was discovered in Orne, France—an area known for producing beautifully preserved marine fossils from the Callovian stage.

Erymnoceras belongs to the family Erymnoceratidae within the superfamily Stephanoceratoidea, under the order Ammonitida. These ammonites are characterised by their large, evolute shells, fine to coarse ribbing, and often tuberculate ornamentation, which are well-exhibited in this specimen.

Geological & Scientific Details:

  • Scientific Name: Erymnoceras argoviense
  • Fossil Type: Ammonite (Extinct Marine Cephalopod)
  • Geological Period: Jurassic
  • Stage: Middle Callovian (approx. 165–163 million years ago)
  • Location Found: Orne, France
  • Order: Ammonitida
  • Superfamily: Stephanoceratoidea
  • Family: Erymnoceratidae
  • Morphological Features: Evolute coiling, ribbed ornamentation, pronounced whorl structure, some tuberculation
  • Depositional Environment: Epicontinental shallow marine setting with fine-grained sedimentation typical of the Middle Jurassic European platform seas

Erymnoceras argoviense is a key biostratigraphic marker for the Middle Callovian and represents one of the more ornate genera of its time. This specimen is a valuable addition to any collection, educational setting, or palaeontological reference archive.

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

Please Note:

  • Scale Rule Squares / Cube = 1cm – full sizing is visible in the photo
  • You will receive the exact fossil pictured – carefully selected for scientific accuracy, preservation quality, and display appeal

This rare Erymnoceras argoviense fossil ammonite offers a remarkable glimpse into the marine life of the Jurassic seas that once covered present-day France. A true treasure for fossil collectors and enthusiasts of ancient natural history.

(Actual as seen)

Only 1 left in stock

SKU: UF3773 Category:

Description

This listing features a rare and scientifically significant fossil specimen of Erymnoceras argoviense, an ammonite from the Middle Callovian stage of the Jurassic period. This exceptional piece was discovered in Orne, France—an area known for producing beautifully preserved marine fossils from the Callovian stage.

Erymnoceras belongs to the family Erymnoceratidae within the superfamily Stephanoceratoidea, under the order Ammonitida. These ammonites are characterised by their large, evolute shells, fine to coarse ribbing, and often tuberculate ornamentation, which are well-exhibited in this specimen.

Geological & Scientific Details:

  • Scientific Name: Erymnoceras argoviense
  • Fossil Type: Ammonite (Extinct Marine Cephalopod)
  • Geological Period: Jurassic
  • Stage: Middle Callovian (approx. 165–163 million years ago)
  • Location Found: Orne, France
  • Order: Ammonitida
  • Superfamily: Stephanoceratoidea
  • Family: Erymnoceratidae
  • Morphological Features: Evolute coiling, ribbed ornamentation, pronounced whorl structure, some tuberculation
  • Depositional Environment: Epicontinental shallow marine setting with fine-grained sedimentation typical of the Middle Jurassic European platform seas

Erymnoceras argoviense is a key biostratigraphic marker for the Middle Callovian and represents one of the more ornate genera of its time. This specimen is a valuable addition to any collection, educational setting, or palaeontological reference archive.

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

Please Note:

  • Scale Rule Squares / Cube = 1cm – full sizing is visible in the photo
  • You will receive the exact fossil pictured – carefully selected for scientific accuracy, preservation quality, and display appeal

This rare Erymnoceras argoviense fossil ammonite offers a remarkable glimpse into the marine life of the Jurassic seas that once covered present-day France. A true treasure for fossil collectors and enthusiasts of ancient natural history.

Additional information

Era

Jurassic
Origin

France

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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