How dinosaurs hopped across an ocean
Ancient land bridges may explain how animals navigated breakup of continents
![dinosaur illustration](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/07/072116_ts_land-bridge_main.jpg?fit=860%2C460&ssl=1)
BRIDGE THE GAP Land crossings may have allowed dinosaurs (such as Supersaurus, shown in this artist’s illustration), lizards and early mammals to migrate across the Atlantic Ocean around 150 million years ago, one researcher proposes.
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