How come dinosaurs like the titanosaur grow to such large size, when animals like the elephant cant grow larger due to the square cube law?

Question

As far as i know, there arent bigger animals around today due to the square-cube law, and yet their were dinosaurs the size of whales on land?

In: 906

Answer 1

You also have to take diet into account.
Afaik the ferns that the herbivore dinosaurs fed upon were easier to digest and more nutritious than leaves and grasses of today.
Elephants eat constantly; I fathom a dinosaur eating a modern diet of leaves and grasses wouldn’t be able to feed itself at all