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Hoploscaphites constricticus ammonite – campanian, cretaceous – montana, usa
Hoploscaphites constricticus ammonite – campanian, cretaceous – montana, usa - Image 2
Hoploscaphites constricticus ammonite – campanian, cretaceous – montana, usa - Image 3

Hoploscaphites constricticus ammonite – campanian, cretaceous – montana, usa

Original price was: £120.00.Current price is: £96.00.

Authentic Hoploscaphites constricticus Ammonite – Campanian, Cretaceous – Montana, USA

About the Fossil:

This well-preserved Hoploscaphites constricticus ammonite is from the Campanian stage of the Late Cretaceous period (~80-72 million years ago) and was discovered in Montana, USA. Hoploscaphites belongs to the Scaphitidae family, a group of heteromorph ammonites characterized by their distinctive partially uncoiled shells.

Scaphitid ammonites like Hoploscaphites exhibited unique, hooked shell shapes that likely influenced their buoyancy and swimming abilities. They lived in shallow marine seas, coexisting with a diverse range of Cretaceous marine life, including mosasaurs, plesiosaurs, and other ammonites.

Geology & Formation:

  • Geological Age: Campanian, Late Cretaceous (~80-72 million years ago)
  • Formation: Marine sedimentary deposits
  • Location: Montana, USA
  • Preservation: Excellent fossilization with well-defined shell structure and ribbing

Why This Fossil?

✔ 100% Genuine Specimen – Comes with a Certificate of Authenticity

✔ Highly Collectible – From the renowned Alice Purnell Collection

✔ Perfect for Display or Study – Ideal for fossil collectors, students, and paleontology enthusiasts

✔ Scale Rule/Cube = 1cm – See photos for full sizing

The fossil in the photo is the exact specimen you will receive!

Secure Packaging & Fast Shipping – Your fossil will be carefully packed for a safe journey!

(Actual as seen)

Only 1 left in stock

SKU: AF1042 Category:

Description

Authentic Hoploscaphites constricticus Ammonite – Campanian, Cretaceous – Montana, USA

About the Fossil:

This well-preserved Hoploscaphites constricticus ammonite is from the Campanian stage of the Late Cretaceous period (~80-72 million years ago) and was discovered in Montana, USA. Hoploscaphites belongs to the Scaphitidae family, a group of heteromorph ammonites characterized by their distinctive partially uncoiled shells.

Scaphitid ammonites like Hoploscaphites exhibited unique, hooked shell shapes that likely influenced their buoyancy and swimming abilities. They lived in shallow marine seas, coexisting with a diverse range of Cretaceous marine life, including mosasaurs, plesiosaurs, and other ammonites.

Geology & Formation:

  • Geological Age: Campanian, Late Cretaceous (~80-72 million years ago)
  • Formation: Marine sedimentary deposits
  • Location: Montana, USA
  • Preservation: Excellent fossilization with well-defined shell structure and ribbing

Why This Fossil?

✔ 100% Genuine Specimen – Comes with a Certificate of Authenticity

✔ Highly Collectible – From the renowned Alice Purnell Collection

✔ Perfect for Display or Study – Ideal for fossil collectors, students, and paleontology enthusiasts

✔ Scale Rule/Cube = 1cm – See photos for full sizing

The fossil in the photo is the exact specimen you will receive!

Secure Packaging & Fast Shipping – Your fossil will be carefully packed for a safe journey!

Additional information

Era

Cretaceous
Origin

USA

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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