Carno possibly.

Cristatusaurus was way heavier than Carno(Carno wasn’t even 9 Meters Long and maxed out at 8 but anyways) and weighed 3-4 Tons

Sorry guys I forgot to mention you! Also @Titanosaurus80

It is fine

I think Cristatusaurus would win because of its longer jaws and, oh, it has arms.

HIW TF IS VIRGINOTAURYS WINNING AGAONST CHADTATUSAURYS