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Rare Fossil Ammonite Notocephalites asaphus, Jurassic, Lower Callovian, Bourges, France, Genuine with COA
Rare Fossil Ammonite Notocephalites asaphus, Jurassic, Lower Callovian, Bourges, France, Genuine with COA - Image 2

Rare Fossil Ammonite Notocephalites asaphus, Jurassic, Lower Callovian, Bourges, France, Genuine with COA

£36.00

This listing offers a rare and beautifully preserved Fossil Ammonite specimen of Notocephalites asaphus from the Lower Callovian Stage of the Jurassic Period, sourced from the classic fossil locality of Bourges, France. The fossil displayed in the image is the actual specimen you will receive — no stock photos or substitutes.

Scale Rule Squares / Cube = 1cm. Please see photos for full sizing and views of the piece.

 

Key Geological and Scientific Information:

  • Species: Notocephalites asaphus
  • Fossil Type: Ammonite (extinct marine cephalopod)
  • Geological Period: Jurassic
  • Geological Stage: Lower Callovian (Middle Jurassic)
  • Location: Bourges, France
  • Approximate Age: ~164 million years ago
  • Order: Ammonitida
  • Superfamily: Stephanoceratoidea
  • Family: Kosmoceratidae

 

Morphology Features: Notocephalites asaphus typically displays moderately involute coiling with prominent ribbing and a compressed whorl section. The ribbing bifurcates from the umbilical region and continues to a well-defined, rounded venter. The surface detail and suture lines on this piece are exceptionally clear and make for a striking visual fossil.

 

Depositional Environment: This fossil comes from offshore marine sediments, formed in a low-energy, deep-shelf depositional setting that allowed fine preservation of ammonite shells. The Bourges region is well-known for its rich Callovian ammonite fauna and its paleontological significance.

 

Biozone & Zone Information: While Notocephalites asaphus is not typically a zone-defining species, it is often found in association with the Kepplerites galilaeii Zone or adjacent subzones within the Lower Callovian ammonite stratigraphy.

 

Scientific Significance: Notocephalites is part of the evolutionary diversification of kosmoceratid ammonites and contributes to our understanding of Jurassic marine ecosystems and biogeography. Its finely ribbed shell and consistent presence in Callovian strata make it a valuable genus for collectors and researchers alike.

 

Authenticity Guarantee: All of our fossils are 100% genuine specimens. Each item is carefully selected for its preservation quality and scientific relevance and is accompanied by a Certificate of Authenticity.

 

Whether you’re a fossil enthusiast, amateur paleontologist, or looking for a unique and rare gift, this genuine Notocephalites asaphus ammonite from France is a stunning addition to any collection.

(Actual as seen)

Only 1 left in stock

SKU: UF4414 Category:

Description

This listing offers a rare and beautifully preserved Fossil Ammonite specimen of Notocephalites asaphus from the Lower Callovian Stage of the Jurassic Period, sourced from the classic fossil locality of Bourges, France. The fossil displayed in the image is the actual specimen you will receive — no stock photos or substitutes.

Scale Rule Squares / Cube = 1cm. Please see photos for full sizing and views of the piece.

 

Key Geological and Scientific Information:

  • Species: Notocephalites asaphus
  • Fossil Type: Ammonite (extinct marine cephalopod)
  • Geological Period: Jurassic
  • Geological Stage: Lower Callovian (Middle Jurassic)
  • Location: Bourges, France
  • Approximate Age: ~164 million years ago
  • Order: Ammonitida
  • Superfamily: Stephanoceratoidea
  • Family: Kosmoceratidae

 

Morphology Features: Notocephalites asaphus typically displays moderately involute coiling with prominent ribbing and a compressed whorl section. The ribbing bifurcates from the umbilical region and continues to a well-defined, rounded venter. The surface detail and suture lines on this piece are exceptionally clear and make for a striking visual fossil.

 

Depositional Environment: This fossil comes from offshore marine sediments, formed in a low-energy, deep-shelf depositional setting that allowed fine preservation of ammonite shells. The Bourges region is well-known for its rich Callovian ammonite fauna and its paleontological significance.

 

Biozone & Zone Information: While Notocephalites asaphus is not typically a zone-defining species, it is often found in association with the Kepplerites galilaeii Zone or adjacent subzones within the Lower Callovian ammonite stratigraphy.

 

Scientific Significance: Notocephalites is part of the evolutionary diversification of kosmoceratid ammonites and contributes to our understanding of Jurassic marine ecosystems and biogeography. Its finely ribbed shell and consistent presence in Callovian strata make it a valuable genus for collectors and researchers alike.

 

Authenticity Guarantee: All of our fossils are 100% genuine specimens. Each item is carefully selected for its preservation quality and scientific relevance and is accompanied by a Certificate of Authenticity.

 

Whether you’re a fossil enthusiast, amateur paleontologist, or looking for a unique and rare gift, this genuine Notocephalites asaphus ammonite from France is a stunning addition to any collection.

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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