Sport · India Bureau
Fossil discovery reveals first fully marine amphibian species
Scientists have identified what may be the first amphibian known to have lived entirely in ocean environments, based on a 237-million-year-old fossil discovered in China. The armoured creature challenges existing understanding of how amphibians evolved and adapted to different habitats.
LSN India ·
A fossil unearthed in China has provided rare evidence that some ancient amphibians lived exclusively in marine environments, potentially reshaping scientific understanding of amphibian evolution. The specimen, identified as Gerrothorax maritimus, dates back approximately 237 million years to the Late Triassic period and measures roughly 2.4 feet in length.
The creature possessed distinctive physical features suited to oceanic life, including a flattened body structure and protective bony armour covering its frame. These characteristics suggest the amphibian was fully adapted to deep-sea conditions rather than the freshwater or terrestrial habitats typically associated with amphibians.
The fossil was recovered from deep-sea sediment deposits, indicating the creature lived far from ancient landmasses. Geochemical analysis proved instrumental in confirming the specimen's marine origin, with strontium isotope testing demonstrating that the isotopic composition matched levels present in seawater during the Late Triassic era.
The discovery challenges the conventional scientific narrative that early amphibians primarily inhabited shallow freshwater or semi-aquatic environments. Researchers say the findings suggest greater diversity and adaptability in ancient amphibian species than previously documented, opening new avenues for investigating how different amphibian lineages colonised various ecological niches during the Triassic period.