Welsh fossil hunter’s jawbone ends 200-year debate on Triassic fish species

KUALA LUMPUR, 29 SEPTEMBER 2026 —

A 200-million-year-old fish jawbone discovered by an amateur fossil hunter on a Welsh beach has resolved two centuries of scientific confusion over the classification of prehistoric marine fossils across Europe, according to researchers.

The discovery revealed that fossils previously grouped under the name Severnichthys—including those in museums across Britain and Europe—were actually from two distinct species: Saurichthys and Birgeria.

The breakthrough, published in a scientific paper, corrects a misclassification that persisted even into the 20th Century, when some Saurichthys teeth were mistaken for amphibian remains. The jawbone, now the first Saurichthys specimen ever found in the Bristol Channel region, will be displayed at National Museum Cardiff in 2026.

Bow, who has hunted fossils for over a decade, described the discovery as "super exciting" at the time, though he initially hoped it would be a dinosaur or crocodile fragment. "It felt good to have contributed to science," he said, noting that while the fish fossil was not what he expected, its role in clarifying centuries of debate was equally rewarding.

Researchers attributed the fossil’s survival to storms from 200 million years ago that deposited marine remains in the area. "Although British Triassic fossils have been studied for over 200 years, this is the first Saurichthys bone ever found in these rocks," said Cindy Howells, curator at Museum Wales.

The study compared Bow’s specimen with museum collections across Europe, confirming that Severnichthys was a misnomer encompassing both Saurichthys—a fast, agile hunter—and Birgeria, a larger, more powerful predator.

The discovery highlights how amateur contributions can reshape scientific understanding. "It’s amazing that a single fossil, found during a spring tide, has helped clear up nearly 200 years of confusion," said Dr. Sam Cooper, a co-author of the study. The paper’s findings align with broader trends in palaeontology, where new specimens often force re-evaluations of long-held classifications.

While the fossil has no direct economic link to Malaysia, the methodology—combining citizen science with institutional research—mirrors growing collaborations in Southeast Asia’s fossil and geological sectors. Malaysian palaeontologists, including those at Universiti Malaya and Universiti Sains Malaysia, have increasingly relied on amateur discoveries to fill gaps in regional prehistoric records, particularly in Sarawak’s Miri and Kelabit Highlands, where Triassic-era marine deposits remain understudied.

The Saurichthys jawbone’s journey—from a beach in Wales to a scientific breakthrough—demonstrates how chance encounters can rewrite history. For Bow, the experience reinforces the value of persistence: "You never know what you might find, and what impact it could have."

Key findings from the study: - The jawbone belonged to Saurichthys, a predatory fish that lived in shallow tropical seas 200 million years ago. - Fossils previously classified as Severnichthys were actually from two species: Saurichthys (fast, agile hunter) and Birgeria (larger, more powerful predator). - The discovery corrects a misclassification that persisted for over 200 years, with some Saurichthys teeth once mistaken for amphibian remains.

- The fossil will be displayed at National Museum Cardiff in 2026.