A new species of marine reptile from the Triassic period has been identified from fossils found in southeastern Alaska, the United States. An artist’s depiction of Gunakadeit joseeae. Image credit: Ray Troll. Thalattosaurs (meaning ‘ocean lizards’) were among several reptile lineages that adapted to marine life in the Mesozoic era. They grew to lengths of up to 3-4 m (10-13 feet) and lived in equatorial oceans worldwide until they died out near...