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e surrounding landscape is believed to have consisted of relatively open, slightly dry shrublands. Earth was in a hothouse state, with rising atmospheric carbon dioxide levels accompanying high global temperatures, conditions researchers say may have favoured the development of giant herbivores.

Upchurch noted that it seems counterintuitive for large-bodied animals to thrive in extreme heat, since bigger bodies retain warmth and are harder to cool. He suggested the high temperatures likely affected the plant life that large sauropods depended on as food.

When the team compared the Nagatitan with other giant Asian sauropods, they found the trend continued after its time. Ruyangosaurus, found in China, reached an estimated 60 tonnes and lived during the warmer Cretaceous years that followed, adding further support to the idea that warm, open, and relatively dry habitats drove sauropods towards ever-larger body sizes.

The story Thailand’s ‘last titan’ confirmed as Southeast Asia’s biggest dinosaur on record as seen on Thaiger News.