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Anahoplites planus Fossil Ammonite Cretaceous Folkestone UK | Gault Clay Middle Albian Genuine Specimen with Certificate

Anahoplites planus Fossil Ammonite Cretaceous Folkestone UK | Gault Clay Middle Albian Genuine Specimen with Certificate

Original price was: £14.40.Current price is: £12.96.

This listing features a well-preserved Anahoplites planus ammonite fossil, collected from the classic marine deposits of the Gault Clay Formation at Folkestone, Kent, United Kingdom. This elegant ammonite dates to the Middle Albian Stage of the Cretaceous Period, approximately 105 million years ago.

The fossil shown is the exact specimen you will receive, chosen for its completeness, clear morphological features, and rarity. It’s ideal for collectors, educators, and natural history enthusiasts interested in England’s rich palaeontological heritage.

Geological & Palaeontological Details:

  • Species: Anahoplites planus
  • Fossil Type: Ammonite
  • Family: Hoplitidae
  • Superfamily: Hoplitoidea
  • Order: Ammonitida
  • Geological Period: Cretaceous
  • Stage: Middle Albian (approx. 107–104 million years ago)
  • Formation: Gault Clay
  • Location: Folkestone, Kent, UK
  • Biozone: Often found in the Anahoplites planus Zone, an important subunit within the Middle Albian biozonation of the Gault Clay
  • Depositional Environment: Open marine setting with deep clay-rich sea floor sediments. The low-energy and anoxic conditions allowed for exceptional fossil preservation, including intricate shell details.

Morphology & Features:

  • Anahoplites planus is distinguished by its broad, planispiral coiling, and relatively flat-sided shell profile
  • Exhibits fine, closely spaced ribs, generally simple or gently flexuous, without strong tuberculation
  • The whorl cross-section is compressed and rounded, with a clean ventral edge
  • This clean morphology sets it apart from more heavily ornamented ammonites of the same age

Notability: Anahoplites planus is a valuable biostratigraphic marker for the Middle Albian and is especially prized from Folkestone’s Gault Clay, one of the most famous fossil localities in Europe. First described by Spath (1923), its well-defined features and limited stratigraphic range make it important to researchers and collectors alike.

Additional Details:

  • All our fossils are 100% genuine specimens
  • Comes with a Certificate of Authenticity
  • The photo shows the exact fossil for sale
  • Scale cube = 1cm – please refer to images for full sizing

This ammonite offers a superb window into the marine ecosystems of the Cretaceous and represents a striking and scientifically meaningful addition to any fossil collection.

(Actual as seen)

Only 1 left in stock

SKU: SF0201 Category:

Description

This listing features a well-preserved Anahoplites planus ammonite fossil, collected from the classic marine deposits of the Gault Clay Formation at Folkestone, Kent, United Kingdom. This elegant ammonite dates to the Middle Albian Stage of the Cretaceous Period, approximately 105 million years ago.

The fossil shown is the exact specimen you will receive, chosen for its completeness, clear morphological features, and rarity. It’s ideal for collectors, educators, and natural history enthusiasts interested in England’s rich palaeontological heritage.

Geological & Palaeontological Details:

  • Species: Anahoplites planus
  • Fossil Type: Ammonite
  • Family: Hoplitidae
  • Superfamily: Hoplitoidea
  • Order: Ammonitida
  • Geological Period: Cretaceous
  • Stage: Middle Albian (approx. 107–104 million years ago)
  • Formation: Gault Clay
  • Location: Folkestone, Kent, UK
  • Biozone: Often found in the Anahoplites planus Zone, an important subunit within the Middle Albian biozonation of the Gault Clay
  • Depositional Environment: Open marine setting with deep clay-rich sea floor sediments. The low-energy and anoxic conditions allowed for exceptional fossil preservation, including intricate shell details.

Morphology & Features:

  • Anahoplites planus is distinguished by its broad, planispiral coiling, and relatively flat-sided shell profile
  • Exhibits fine, closely spaced ribs, generally simple or gently flexuous, without strong tuberculation
  • The whorl cross-section is compressed and rounded, with a clean ventral edge
  • This clean morphology sets it apart from more heavily ornamented ammonites of the same age

Notability: Anahoplites planus is a valuable biostratigraphic marker for the Middle Albian and is especially prized from Folkestone’s Gault Clay, one of the most famous fossil localities in Europe. First described by Spath (1923), its well-defined features and limited stratigraphic range make it important to researchers and collectors alike.

Additional Details:

  • All our fossils are 100% genuine specimens
  • Comes with a Certificate of Authenticity
  • The photo shows the exact fossil for sale
  • Scale cube = 1cm – please refer to images for full sizing

This ammonite offers a superb window into the marine ecosystems of the Cretaceous and represents a striking and scientifically meaningful addition to any fossil collection.

Additional information

Era

Cretaceous
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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