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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Fossil Fish Bone in Block Upper Triassic Westbury Formation Aust Cliff Bristol UK Authentic Vertebrate Specimen

Fossil Fish Bone in Block Upper Triassic Westbury Formation Aust Cliff Bristol UK Authentic Vertebrate Specimen

Original price was: £9.00.Current price is: £8.10.

This listing features a well-preserved fossil fish bone embedded in a block from the famous vertebrate and coprolite bed at Aust Cliff, near Bristol, UK. This specimen comes from the Westbury Formation, part of the Penarth Group, and dates to the Upper Triassic Period (Rhaetian Stage, ~208–201 million years ago).

Your specimen was discovered by our own team members Alister and Alison on 07 April 2025, and has been cleaned, prepped, and treated by Alison. It is accompanied by a Certificate of Authenticity, and the photo shows the exact piece you will receive.

Geological Context:

The Westbury Formation represents a shallow marine to lagoonal depositional setting, where cycles of transgression led to rich organic deposition. The dark, fine-grained mudstones of the Aust Cliff area are globally recognised for yielding a diverse assemblage of Late Triassic marine vertebrates—including fish, marine reptiles, and coprolites.

The fish bone likely derives from an actinopterygian (ray-finned fish), a group that includes species such as Severnichthys and Saurichthys—both common in this bed.

Morphology and Preservation:

  • Elongate, cylindrical or plate-like fossil bone fragment
  • Embedded in micaceous black or grey laminated mudstone
  • Bone may represent part of a rib, fin ray, or jaw fragment
  • Associated with fish scale or coprolitic debris in some cases

This bone fragment offers valuable insight into Late Triassic marine life and is an excellent educational or display piece.

Specimen Information:

  • Fossil Type: Fish Bone in Matrix Block
  • Geological Formation: Westbury Formation
  • Group: Penarth Group
  • Geological Stage: Rhaetian (Upper Triassic)
  • Location: Aust Cliff, Bristol, UK
  • Depositional Environment: Shallow marine to lagoonal
  • Discovered By: Alister & Alison (UKGE Team)
  • Date of Discovery: 07 April 2025

Scale cube = 1cm. Please refer to the image for full sizing and condition.

This is a unique opportunity to own a genuine piece of the UK’s rich fossil heritage, from one of its most iconic Triassic localities.

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

(Actual as seen)

Only 1 left in stock

SKU: CS8002 Category:

Description

This listing features a well-preserved fossil fish bone embedded in a block from the famous vertebrate and coprolite bed at Aust Cliff, near Bristol, UK. This specimen comes from the Westbury Formation, part of the Penarth Group, and dates to the Upper Triassic Period (Rhaetian Stage, ~208–201 million years ago).

Your specimen was discovered by our own team members Alister and Alison on 07 April 2025, and has been cleaned, prepped, and treated by Alison. It is accompanied by a Certificate of Authenticity, and the photo shows the exact piece you will receive.

Geological Context:

The Westbury Formation represents a shallow marine to lagoonal depositional setting, where cycles of transgression led to rich organic deposition. The dark, fine-grained mudstones of the Aust Cliff area are globally recognised for yielding a diverse assemblage of Late Triassic marine vertebrates—including fish, marine reptiles, and coprolites.

The fish bone likely derives from an actinopterygian (ray-finned fish), a group that includes species such as Severnichthys and Saurichthys—both common in this bed.

Morphology and Preservation:

  • Elongate, cylindrical or plate-like fossil bone fragment
  • Embedded in micaceous black or grey laminated mudstone
  • Bone may represent part of a rib, fin ray, or jaw fragment
  • Associated with fish scale or coprolitic debris in some cases

This bone fragment offers valuable insight into Late Triassic marine life and is an excellent educational or display piece.

Specimen Information:

  • Fossil Type: Fish Bone in Matrix Block
  • Geological Formation: Westbury Formation
  • Group: Penarth Group
  • Geological Stage: Rhaetian (Upper Triassic)
  • Location: Aust Cliff, Bristol, UK
  • Depositional Environment: Shallow marine to lagoonal
  • Discovered By: Alister & Alison (UKGE Team)
  • Date of Discovery: 07 April 2025

Scale cube = 1cm. Please refer to the image for full sizing and condition.

This is a unique opportunity to own a genuine piece of the UK’s rich fossil heritage, from one of its most iconic Triassic localities.

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

Additional information

Era

Triassic
Origin

United Kingdom

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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