Which large carnivorous theropod is known to have coexisted with Amargasaurus?

Answer

Mapusaurus

The most significant predator known to coexist with Amargasaurus is the Carcharodontosaurid theropod named Mapusaurus.

Which large carnivorous theropod is known to have coexisted with Amargasaurus?
speciespaleontologydinosaurAmargasauruscoexistence