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

Nobody has seemed to mention this yet, but giving birth to live offspring and a long gestation period is more difficult for large mammals, than just laying eggs.

Pbs eons did an episode about it

https://www.pbs.org/video/the-rise-and-fall-of-the-tallest-mammal-to-walk-the-earth-cb8lyj/