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Subastieria Fossil Ammonite, Lower Hauterivian, Cretaceous, Alps Maritime, France - Genuine Fossil with Certificate of Authenticity

Subastieria Fossil Ammonite, Lower Hauterivian, Cretaceous, Alps Maritime, France – Genuine Fossil with Certificate of Authenticity

Original price was: £12.60.Current price is: £11.34.

This Subastieria Fossil Ammonite is an exceptional specimen from the Lower Hauterivian stage of the Cretaceous period, discovered in the Alps Maritime region of France. The fossil is a 100% genuine specimen, accompanied by a Certificate of Authenticity. The Subastieria ammonite is recognized for its distinctive spiral shape and fine preservation, making it a valuable find for both fossil collectors and those interested in Cretaceous ammonites.

Geology and Fossil Type

  • Geological Stage: Lower Hauterivian, Cretaceous
  • Depositional Environment: Marine (The Lower Hauterivian period was characterized by warm, shallow seas that provided the perfect environment for ammonites like Subastieria to thrive in the region of Alps Maritime, France.)
  • Family: Turrilitidae (A family of ammonites known for their coiled and smooth spiral shells)
  • Superfamily: Ammonoidea
  • Order: Ammonitida (Ammonites belong to the Cephalopoda class, closely related to modern squid and octopus)

Morphology Features

The Subastieria ammonite features a smooth, tightly coiled spiral shell with a distinct ribbed surface. The smooth, rounded shape of the shell is characteristic of this species, and the ribbing on the exterior adds texture and definition to the fossil. The internal suture lines, visible in cross-section, offer insight into the ammonite’s internal chamber structure, which aided in its buoyancy. The curvature of the shell is gradual and even, adding to its characteristic appearance.

Notable Features

This ammonite is particularly notable for its excellent preservation and rare occurrence. The Subastieria species is not commonly found, making this fossil a sought-after specimen for collectors. Its well-defined spiral shape, coupled with its fine ribbing, gives it a unique aesthetic that highlights the marine adaptations of Cretaceous ammonites. The suture lines further enhance its educational value and appeal.

Size and Presentation

  • Scale Cube: 1cm
  • Full sizing is provided in the photos, so you can see the exact size of the ammonite.
  • Actual Fossil: The fossil pictured is the exact piece you will receive.

Key Selling Points

  • 100% Genuine Fossil
  • Comes with a Certificate of Authenticity
  • A rare Subastieria ammonite from the Lower Hauterivian, Cretaceous period
  • Smooth spiral shape, distinct ribbing, and internal suture lines
  • Perfect for collectors and those interested in Cretaceous ammonites and marine fossils

This Subastieria Fossil Ammonite from Alps Maritime, France offers a rare glimpse into Lower Hauterivian marine life during the Cretaceous period. Its smooth spiral shell, fine preservation, and well-defined ribbing make it a valuable addition to any fossil collection, particularly for those with an interest in Cretaceous ammonites and marine life.

(Actual as seen)

Only 1 left in stock

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Description

This Subastieria Fossil Ammonite is an exceptional specimen from the Lower Hauterivian stage of the Cretaceous period, discovered in the Alps Maritime region of France. The fossil is a 100% genuine specimen, accompanied by a Certificate of Authenticity. The Subastieria ammonite is recognized for its distinctive spiral shape and fine preservation, making it a valuable find for both fossil collectors and those interested in Cretaceous ammonites.

Geology and Fossil Type

  • Geological Stage: Lower Hauterivian, Cretaceous
  • Depositional Environment: Marine (The Lower Hauterivian period was characterized by warm, shallow seas that provided the perfect environment for ammonites like Subastieria to thrive in the region of Alps Maritime, France.)
  • Family: Turrilitidae (A family of ammonites known for their coiled and smooth spiral shells)
  • Superfamily: Ammonoidea
  • Order: Ammonitida (Ammonites belong to the Cephalopoda class, closely related to modern squid and octopus)

Morphology Features

The Subastieria ammonite features a smooth, tightly coiled spiral shell with a distinct ribbed surface. The smooth, rounded shape of the shell is characteristic of this species, and the ribbing on the exterior adds texture and definition to the fossil. The internal suture lines, visible in cross-section, offer insight into the ammonite’s internal chamber structure, which aided in its buoyancy. The curvature of the shell is gradual and even, adding to its characteristic appearance.

Notable Features

This ammonite is particularly notable for its excellent preservation and rare occurrence. The Subastieria species is not commonly found, making this fossil a sought-after specimen for collectors. Its well-defined spiral shape, coupled with its fine ribbing, gives it a unique aesthetic that highlights the marine adaptations of Cretaceous ammonites. The suture lines further enhance its educational value and appeal.

Size and Presentation

  • Scale Cube: 1cm
  • Full sizing is provided in the photos, so you can see the exact size of the ammonite.
  • Actual Fossil: The fossil pictured is the exact piece you will receive.

Key Selling Points

  • 100% Genuine Fossil
  • Comes with a Certificate of Authenticity
  • A rare Subastieria ammonite from the Lower Hauterivian, Cretaceous period
  • Smooth spiral shape, distinct ribbing, and internal suture lines
  • Perfect for collectors and those interested in Cretaceous ammonites and marine fossils

This Subastieria Fossil Ammonite from Alps Maritime, France offers a rare glimpse into Lower Hauterivian marine life during the Cretaceous period. Its smooth spiral shell, fine preservation, and well-defined ribbing make it a valuable addition to any fossil collection, particularly for those with an interest in Cretaceous ammonites and marine life.

Additional information

Era

Cretaceous
Origin

France

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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