RARE Fossil Reptile Bone – Aust Cliff UK – Westbury Formation – Upper Triassic – Genuine Specimen with COA

Description RARE Fossil Reptile Bone – Westbury Formation, Aust Cliff, Upper Triassic, UK This listing is for a genuine fossilised reptile bone preserved within a natural matrix from the famous fish, reptile, and coprolite bed of Aust Cliff, Bristol, UK. This rare and historically significant site is part of the Westbury Formation within the Penarth Group, dating to the Upper Triassic period (approx. 208–201 million years ago). Your specimen was carefully discovered by our own team members Alister and Alison on 07 April 2025, and has been professionally cleaned, prepped, and treated by Alison to ensure both preservation and presentation quality. The Westbury Formation at Aust Cliff represents a transitional coastal lagoonal to marginal marine depositional environment. Fossils found here are often associated with the Rhaetian Stage of the Upper Triassic, making them invaluable for understanding the pre-Jurassic marine and nearshore fauna of the UK. The bone is likely to be from a marine or semi-aquatic reptile, with known species from this bed including Ichthyosaurs, Plesiosaurs, and primitive Crocodyliforms. While exact taxonomic assignment is not possible without further scientific analysis, the morphology is consistent with vertebrate skeletal remains from these groups. Geological Formation: Westbury Formation Group: Penarth Group Stage: Upper Triassic (Rhaetian) Location: Aust Cliff, Bristol, England, UK Depositional Environment: Shallow marine to marginal lagoonal Notable Features: Preserved in original matrix with other fossil material potentially visible Specimen Type: Reptile bone fossil in matrix Each fossil we offer is 100% genuine and comes with a Certificate of Authenticity. The fossil in the photograph is the exact one you will receive. Please refer to the photo for full sizing details — the included scale cube is 1cm for reference. Perfect for collectors, educational use, or display, this is a striking and authentic piece of British palaeontological history.   All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity