Fossils for Sale - High-quality BRITISH and WORLDWIDE Fossils. An impressive selection of fossils, including Ammonites, Trilobites, Belemnites, Fossil Fish, Fossil Shark Teeth, Fossilised Insects in Amber, Dinosaurs, and Reptiles. UK Fossils was formed in 1988 and collects and preps our own fossils in the heart of the Jurassic Coast, collecting fossils from Lyme Regis, Charmouth and Somerset. Our passion for fossils is reflected in our carefully curated collection, which includes some of the rarest and most unique specimens available.

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RARE Fossil Ammonite Arcestes Triassic Carnian Austria Fenerkrugel Authentic Specimen Jurassic Marine Invertebrate

Original price was: £36.00.Current price is: £28.80.

RARE Fossil Ammonite – Arcestes species from the Triassic Period, Carnian Stage, found at Fenerkrugel, Austria.

This exceptional ammonite fossil represents the genus Arcestes, a well-known group of extinct ammonoids from the Middle to Late Triassic period. This particular specimen originates from the Carnian Stage, roughly 237 to 227 million years ago, a critical interval marking the onset of modern reef ecosystems and the evolutionary radiation of ammonoids after the Permian extinction.

Geological & Paleontological Context:

  • Location: Fenerkrugel, Austria
  • Formation/Zone: Carnian Stage, Triassic System
  • Fossil Type: Ammonite (cephalopod mollusc)
  • Genus: Arcestes
  • Geological Age: Late Triassic (Carnian Stage, ~230 Ma)
  • Order: Ceratitida
  • Superfamily: Arcestaceae
  • Family: Arcestidae

Morphology & Features: Arcestes ammonites are known for their unusual shell morphology—characteristically almost spherical or globular shells with low ornamentation, a broad umbilicus, and simple to slightly ceratitic suture lines. These forms are thought to have been nektonic or possibly planktonic, with a unique mode of life compared to other ammonoids.

This particular specimen displays the classic globose profile with well-defined chambering and preserved suture detail, making it both scientifically valuable and aesthetically unique for collectors.

Depositional Environment: These fossils were originally preserved in shallow marine carbonate settings of the Tethyan realm, which during the Triassic period covered much of central Europe, including modern-day Austria. The environment was likely a warm, reef-fringed epicontinental sea.

Why This Specimen?

  • Carefully selected and professionally sourced from Fenerkrugel, Austria.
  • Comes with a Certificate of Authenticity.
  • The specimen shown in the photo is the exact one you will receive.
  • Scale shown (1 cm cubes) for precise size reference – please see photo for full measurements.

Ideal for: Collectors of Triassic fossils, palaeontology enthusiasts, museum-quality displays, and educational institutions. A rare opportunity to own a piece of deep-time marine life from a pivotal moment in Earth’s history.

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

(Actual as seen)

Only 1 left in stock

SKU: UF3769 Category:

Description

RARE Fossil Ammonite – Arcestes species from the Triassic Period, Carnian Stage, found at Fenerkrugel, Austria.

This exceptional ammonite fossil represents the genus Arcestes, a well-known group of extinct ammonoids from the Middle to Late Triassic period. This particular specimen originates from the Carnian Stage, roughly 237 to 227 million years ago, a critical interval marking the onset of modern reef ecosystems and the evolutionary radiation of ammonoids after the Permian extinction.

Geological & Paleontological Context:

  • Location: Fenerkrugel, Austria
  • Formation/Zone: Carnian Stage, Triassic System
  • Fossil Type: Ammonite (cephalopod mollusc)
  • Genus: Arcestes
  • Geological Age: Late Triassic (Carnian Stage, ~230 Ma)
  • Order: Ceratitida
  • Superfamily: Arcestaceae
  • Family: Arcestidae

Morphology & Features: Arcestes ammonites are known for their unusual shell morphology—characteristically almost spherical or globular shells with low ornamentation, a broad umbilicus, and simple to slightly ceratitic suture lines. These forms are thought to have been nektonic or possibly planktonic, with a unique mode of life compared to other ammonoids.

This particular specimen displays the classic globose profile with well-defined chambering and preserved suture detail, making it both scientifically valuable and aesthetically unique for collectors.

Depositional Environment: These fossils were originally preserved in shallow marine carbonate settings of the Tethyan realm, which during the Triassic period covered much of central Europe, including modern-day Austria. The environment was likely a warm, reef-fringed epicontinental sea.

Why This Specimen?

  • Carefully selected and professionally sourced from Fenerkrugel, Austria.
  • Comes with a Certificate of Authenticity.
  • The specimen shown in the photo is the exact one you will receive.
  • Scale shown (1 cm cubes) for precise size reference – please see photo for full measurements.

Ideal for: Collectors of Triassic fossils, palaeontology enthusiasts, museum-quality displays, and educational institutions. A rare opportunity to own a piece of deep-time marine life from a pivotal moment in Earth’s history.

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

Additional information

Era

Triassic

Origin

Austria

Triassic Information

The Triassic Period (252–201 million years ago) marked the beginning of the Mesozoic Era, following the Permian-Triassic mass extinction, the most severe extinction event in Earth's history. The climate was hot and dry, with vast deserts and little polar ice. Life slowly recovered, leading to the rise of the first dinosaurs, pterosaurs (flying reptiles), and early mammals. Reptiles, including large archosaurs (ancestors of crocodiles and dinosaurs), dominated both land and sea. In the oceans, ichthyosaurs and plesiosaurs thrived alongside ammonites and early coral reefs. The first true conifers and ginkgo trees spread across the land. The period ended with another mass extinction, paving the way for the Jurassic and the golden age of dinosaurs.

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