Still, I think the point is somewhat valid, if for nothing but curiosity.<p>The largest dinosaur, which I know is a subject of discussion, is <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Argentinosaurus" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Argentinosaurus</a> 
30 metres, 80-100 tonnes
and blue whale <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Argentinosaurus" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Argentinosaurus</a>
30 metres, 180 tonnes<p>If a 100 tonnes creature can live on land, my gut tells me a 180 tonnes creature could too. where&#x27;s the point of no return? There&#x27;s all sorts of cooling mechanisms that could be dreamt up, just as we see strange heating mechanisms (<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Stegosaurus#Plates" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Stegosaurus#Plates</a>).