What ecological role did the sheer size of Rhamphosuchus define for it in its Miocene Brazilian home?

Answer

Apex aquatic predator

Given its attributed size, Rhamphosuchus was an animal at the very top of the aquatic food chain in its locale.

What ecological role did the sheer size of Rhamphosuchus define for it in its Miocene Brazilian home?
habitatanimalpaleontologyPrehistoricRhamphosuchus