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RARE 9.5″ Fossil Ammonite Euomphaloceras euomphalus | Middle Cenomanian Chalk | Cretaceous | Glynde, Sussex UK | Alice Purnell Collection

£60.00

This listing features a RARE 9.5″ fossil ammonite, Euomphaloceras euomphalus, from the Middle Cenomanian Stage of the Cretaceous Period, unearthed from the chalk deposits of Glynde, Sussex, United Kingdom. Sourced from the esteemed Alice Purnell Collection, this large and robust ammonite represents a scientifically significant and highly collectible specimen.

 

Geological & Palaeontological Details:

  • Species: Euomphaloceras euomphalus
  • Geological Period: Cretaceous
  • Geological Stage: Middle Cenomanian (~96 to 94 million years ago)
  • Locality: Glynde, Sussex, United Kingdom
  • Depositional Environment: Deeper marine chalk basin with low-energy pelagic conditions
  • Order: Ammonitida
  • Superfamily: Acanthoceratoidea
  • Family: Acanthoceratidae
  • Biozone (typical): Associated with the Mantelliceras dixoni and Acanthoceras rhotomagense biozones
  • Identification: First described by Spath (1926), this species has been used in correlation of European Cenomanian successions due to its distinctive morphology and stratigraphic precision

 

Morphological Features:

  • Evolute shell with a broad umbilicus
  • Bold, strong ribs with pronounced tubercles
  • Flattened whorl flanks and a broad venter with subtle keel
  • Exceptional chalk matrix preservation with clear ornamental detail

 

Notable Information:

  • Euomphaloceras euomphalus is an iconic ammonite genus for the Cenomanian stage and frequently used in zonation schemes across NW Europe
  • Its occurrence in British chalk is relatively rare compared to other ammonite types, increasing its value and appeal
  • This fossil stands out due to its impressive size, completeness, and detailed ornamentation

 

Authenticity & Presentation:

  • 100% genuine fossil specimen, not a replica
  • Comes with a Certificate of Authenticity
  • Photo shows the exact fossil you will receive
  • Scale cube = 1cm for precise size reference
  • Sourced from the acclaimed Alice Purnell Collection, renowned for high-quality and authentic fossils

 

A truly remarkable example of Euomphaloceras euomphalus, this fossil is both a collector’s prize and a scientifically valuable specimen from the depths of England’s ancient seas.

 

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

(Actual as seen)

Out of stock

SKU: AF1377 Category:

Description

This listing features a RARE 9.5″ fossil ammonite, Euomphaloceras euomphalus, from the Middle Cenomanian Stage of the Cretaceous Period, unearthed from the chalk deposits of Glynde, Sussex, United Kingdom. Sourced from the esteemed Alice Purnell Collection, this large and robust ammonite represents a scientifically significant and highly collectible specimen.

 

Geological & Palaeontological Details:

  • Species: Euomphaloceras euomphalus
  • Geological Period: Cretaceous
  • Geological Stage: Middle Cenomanian (~96 to 94 million years ago)
  • Locality: Glynde, Sussex, United Kingdom
  • Depositional Environment: Deeper marine chalk basin with low-energy pelagic conditions
  • Order: Ammonitida
  • Superfamily: Acanthoceratoidea
  • Family: Acanthoceratidae
  • Biozone (typical): Associated with the Mantelliceras dixoni and Acanthoceras rhotomagense biozones
  • Identification: First described by Spath (1926), this species has been used in correlation of European Cenomanian successions due to its distinctive morphology and stratigraphic precision

 

Morphological Features:

  • Evolute shell with a broad umbilicus
  • Bold, strong ribs with pronounced tubercles
  • Flattened whorl flanks and a broad venter with subtle keel
  • Exceptional chalk matrix preservation with clear ornamental detail

 

Notable Information:

  • Euomphaloceras euomphalus is an iconic ammonite genus for the Cenomanian stage and frequently used in zonation schemes across NW Europe
  • Its occurrence in British chalk is relatively rare compared to other ammonite types, increasing its value and appeal
  • This fossil stands out due to its impressive size, completeness, and detailed ornamentation

 

Authenticity & Presentation:

  • 100% genuine fossil specimen, not a replica
  • Comes with a Certificate of Authenticity
  • Photo shows the exact fossil you will receive
  • Scale cube = 1cm for precise size reference
  • Sourced from the acclaimed Alice Purnell Collection, renowned for high-quality and authentic fossils

 

A truly remarkable example of Euomphaloceras euomphalus, this fossil is both a collector’s prize and a scientifically valuable specimen from the depths of England’s ancient seas.

 

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

Additional information

Origin

United Kingdom

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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