Do you know what their food preferences will be like if they were added in the game?
It is difficult to say.
The iconic Brachiosaurus' is tall nut, but I am not sure if the same applies to Sauroposeidon.
In Jurassic World: Evolution 2, the nodosaurs' preference are ground leaf while Sauropelta also requires ground fruit. Ankylosaurs require ground leaf and ground fruit while Crichtonsaurus extra require ground nut.
Suppose Edmontonia, Saichania, and Minotaurasaurus are added; their preference might be ground leaf and ground fruit. There might be a possibility that they require ground nut.