Description
Discover a rare and scientifically significant Fossil Fish Tooth in Matrix Block, extracted from the renowned fish, reptile and coprolite bed at Aust Cliff, near Bristol, UK. This fossil originates from the Westbury Formation, part of the Penarth Group, dating to the Upper Triassic Period, specifically the Rhaetian Stage (~208–201 million years ago).
Your specimen is 100% genuine, discovered by our experienced field team Alister and Alison on 07 April 2025 and professionally cleaned, prepared, and treated by Alison to reveal fine anatomical detail. This carefully selected block contains a visible fish tooth fossil embedded in the original matrix from a lag deposit known for preserving a rich assemblage of vertebrate remains.
Geological & Palaeontological Context:
- Location: Aust Cliff, Severn Estuary, near Bristol, UK
- Formation: Westbury Formation
- Group: Penarth Group
- Geological Period: Late Triassic
- Stage: Rhaetian
- Depositional Environment: Coastal lagoonal or marginal marine setting with low energy and intermittent high-energy storm events creating fossil-rich lag beds
Fossil Type & Identification:
- Type: Fossil Fish Tooth in matrix
- Preservation: Natural tooth in situ within a fossiliferous block
- Likely Genus (if discernible): While exact taxonomy is uncertain without lab analysis, Aust Cliff is famous for fossil remains of genera like Saurichthys, Lepidotes, and other semionotiform fishes, as well as occasional marine reptiles and early shark teeth.
Notable Features:
- Visible tooth structure in natural sediment block
- Historical significance: Aust Cliff has been a vital site in the study of Late Triassic vertebrate palaeontology since the 19th century
- Scale Cube = 1cm. Please refer to photos for full sizing.
This is the exact specimen you will receive. Ideal for collectors, educators, and enthusiasts of vertebrate palaeontology or British geological history.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.







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