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

Iirc there was higher levels of oxygen at the time of most of that megafauna. You can see it with the larger insects too since the square cube law has a proportional level to the O2 levels