A fossil discovery on the Welsh side of the Bristol Channel has clarified the classification of specimens that have puzzled paleontologists for nearly two centuries. Amateur collector Jonathan Bow found the jawbone while walking along a beach at low tide in spring 2012, initially uncertain of its significance despite his decade of fossil-hunting experience. The specimen remained unidentified for years until University of Bristol researcher Jacob Quinn examined Bow’s collection in 2022 and initiated detailed analysis.
Experts from Museum Wales, the State Museum of Natural History Stuttgart, and the University of Bristol determined the jawbone belonged to Saurichthys, a predatory fish inhabiting shallow tropical seas during the Late Triassic period. The discovery proved particularly significant because it represented the first bone from this species ever recovered in these particular rock formations. Museum curator Cindy Howells noted that teeth from Saurichthys had historically been misidentified as belonging to amphibians, a misunderstanding that persisted into the 20th century.
The finding prompted researchers to re-examine fossil collections across Europe, leading to a major reclassification effort. Specimens previously grouped together as a single species called Severnichthys were found to actually represent two distinct species: Saurichthys and Birgeria. According to co-authors of the resulting scientific paper, Saurichthys was likely a fast and agile hunter, while the larger Birgeria probably pursued more diverse prey. The research clarified the evolutionary history of these predators that coexisted in ancient shallow tropical seas.
The jawbone will be displayed at National Museum Cardiff later in 2026. Researchers emphasized the remarkable nature of the specimen’s preservation and noted that the single discovery by Bow had resolved confusion accumulated over approximately two centuries of paleontological study.
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