246-million-year-old nothosaur vertebra, the oldest in the Southern Hemisphere, found in New Zealand, challenges dispersal hypotheses of early sea reptiles.

246 million-year-old nothosaur vertebra, found in New Zealand, is the oldest ever discovered in the Southern Hemisphere, shedding new light on the previously unknown record of early sea reptiles from the region. Nothosaurs were distant predecessors of plesiosaurs, which dominated the seas for millions of years before dinosaurs emerged. The discovery challenges existing hypotheses about the dispersal of early sea-going reptiles around the globe.

June 17, 2024
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