Jonathan Frederic De Santos

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CC BY 4.0

Agence France-Presse

<div><span class="fr-img-caption fr-fic fr-dib" style="width:960px;display:block" width="960"><span class="fr-img-wrap"><img src="https://od2-image-api.abs-cbn.com/prod/editorImage/1778824633850Nagatitan_chaiyaphumensis.png" style="width:960px" class="fr-fic fr-dib" width="960"/><span class="fr-inner" style="text-align:left">Life reconstruction of Nagatitan chaiyaphumensis. Connor Ashbridge. <a href="http://CC BY 4.0">CC BY 4.0</a></span></span></span></div><p>BANGKOK — Scientists have identified a massive new dinosaur from remains discovered in Thailand, with the creature estimated to have weighed as much an nine adult elephants.</p><p>The long-necked herbivore stretched 27 metres (88 feet) and weighed about 27 tonnes, according to a study published in the journal Scientific Reports.</p><p>It probably roamed what is now Thailand between 100 and 120 million years ago and is the largest ever found in Southeast Asia, researchers said.</p><p>They estimated the new dinosaur had the same heft as nine adult Asian elephants.</p><p>&quot;Our dinosaur is big by most people&#x27;s standards — it likely weighed at least 10 tonnes more than Dippy the Diplodocus,&quot; said lead researcher Thitiwoot Sethapanichsakul, referring to the enormous composite cast previously on display at London&#x27;s Natural History Museum.</p><p>The Thai PhD student called the newly discovered sauropod &quot;the last titan&quot; because it was unearthed in one the youngest rock formations where dinosaurs are found in Thailand, according to University College London.</p><p>The region later became a shallow sea, he added, &quot;so this may be the last or most recent large sauropod we will find in Southeast Asia.&quot;</p><div><iframe src="https://www.facebook.com/plugins/post.php?href=https%3A%2F%2Fwww.facebook.com%2FThainosaurMuseum%2Fposts%2Fpfbid02mT1snbbGHTyDiSwzxhUxsupWESipmEkconL6iHrjCg4daYLQrg3QkYGYDJnGhqrgl&amp;show_text=true&amp;width=500" width="500" height="787" style="border:none;overflow:hidden" scrolling="no" frameBorder="0" allowfullscreen=""></iframe><br/></div><p>The first remains of the enormous creature were unearthed a decade ago by locals in northeast Thailand, but the excavation was not completed until 2024, according to the study, published Thursday.</p><p>The remains partially resembled those of previously discovered sauropods, but had enough unique features to be considered a new species.</p><p>It has been dubbed Nagatitan chaiyaphumensis after a serpent from Southeast Asian folklore, a giant of Greek mythology and the province of Chaiyaphum where it was found.</p><p>A life-size reconstruction is on display at Bangkok&#x27;s Thainosaur Museum, according to UCL.</p><div><em>bur-tym/slb/jm</em></div>

<p>Scientists have identified a massive new dinosaur from remains discovered in Thailand, with the creature estimated to have weighed as much an nine adult elephants.</p>

Scientists have identified a massive new dinosaur from remains discovered in Thailand, with the creature estimated to have weighed as much an nine adult elephants.

Southeast Asia's largest dinosaur identified in Thailand

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Southeast Asia's largest dinosaur identified in Thailand

Agence France-Presse

Published May 15, 2026 02:25 PM PHT

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Dinosaurs

Thailand

University College London

Nagatitan chaiyaphumensis

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