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 Agkistracanthus mitgelensis Fossil Fish Tooth in Matrix – Upper Triassic, Aust Cliff UK – Genuine Specimen
Rare Agkistracanthus mitgelensis Fossil Fish Tooth in Matrix – Upper Triassic, Aust Cliff UK – Genuine Specimen - Image 2

Rare Agkistracanthus mitgelensis Fossil Fish Tooth in Matrix – Upper Triassic, Aust Cliff UK – Genuine Specimen

Original price was: £48.00.Current price is: £43.20.

This is a rare Agkistracanthus mitgelensis fossil fish tooth preserved in matrix, collected from the famous fish, reptile, and coprolite bed at Aust Cliff, Bristol, England. This remarkable specimen comes from the Westbury Formation, part of the Penarth Group, dating to the Upper Triassic period (~209–201 million years ago).

Discovered on 07 April 2025 by our own team members Alister and Alison, the specimen has been carefully cleaned, prepped, and treated by Alison to ensure optimal preservation and presentation. The accompanying photo shows the exact specimen you will receive. A scale cube = 1cm is included for full sizing (see photo).

The Agkistracanthus mitgelensis is a rare genus of cartilaginous fish (likely related to the Holocephali or early Chimaeras), known primarily from teeth and occasional skeletal remains. The teeth are distinctive for their elongate, pointed shape and smooth enamel. Finds of this genus are important for understanding fish evolution across the Triassic–Jurassic boundary.

Geological Details:

  • Formation: Westbury Formation
  • Group: Penarth Group
  • Locality: Aust Cliff, Bristol, UK
  • Age: Upper Triassic (Rhaetian Stage)
  • Depositional Environment: Shallow marine to lagoonal conditions rich in vertebrate remains and coprolites

Taxonomy:

  • Genus: Agkistracanthus
  • Species: mitgelensis
  • Family: Uncertain (tentatively placed among basal Holocephali)
  • Order: Chimaeriformes (provisional)

Notable:

  • From the iconic Aust Cliff horizon, internationally known for its vertebrate fossils.
  • Rare taxon, seldom available on the open market.
  • Highly sought after by collectors and ideal for educational display.

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

This is a scientifically significant and visually appealing piece from a historic British fossil locality. A fantastic opportunity to acquire a genuine piece of prehistoric life with both collector and academic value.

(Actual as seen)

Only 1 left in stock

SKU: CS8019 Category:

Description

This is a rare Agkistracanthus mitgelensis fossil fish tooth preserved in matrix, collected from the famous fish, reptile, and coprolite bed at Aust Cliff, Bristol, England. This remarkable specimen comes from the Westbury Formation, part of the Penarth Group, dating to the Upper Triassic period (~209–201 million years ago).

Discovered on 07 April 2025 by our own team members Alister and Alison, the specimen has been carefully cleaned, prepped, and treated by Alison to ensure optimal preservation and presentation. The accompanying photo shows the exact specimen you will receive. A scale cube = 1cm is included for full sizing (see photo).

The Agkistracanthus mitgelensis is a rare genus of cartilaginous fish (likely related to the Holocephali or early Chimaeras), known primarily from teeth and occasional skeletal remains. The teeth are distinctive for their elongate, pointed shape and smooth enamel. Finds of this genus are important for understanding fish evolution across the Triassic–Jurassic boundary.

Geological Details:

  • Formation: Westbury Formation
  • Group: Penarth Group
  • Locality: Aust Cliff, Bristol, UK
  • Age: Upper Triassic (Rhaetian Stage)
  • Depositional Environment: Shallow marine to lagoonal conditions rich in vertebrate remains and coprolites

Taxonomy:

  • Genus: Agkistracanthus
  • Species: mitgelensis
  • Family: Uncertain (tentatively placed among basal Holocephali)
  • Order: Chimaeriformes (provisional)

Notable:

  • From the iconic Aust Cliff horizon, internationally known for its vertebrate fossils.
  • Rare taxon, seldom available on the open market.
  • Highly sought after by collectors and ideal for educational display.

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

This is a scientifically significant and visually appealing piece from a historic British fossil locality. A fantastic opportunity to acquire a genuine piece of prehistoric life with both collector and academic value.

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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