`` Alvarezsaurus '' was featured in the Discovery Channel television series `` Dinosaur Planet '' , where it was presented as a predator of young `` Saltasaurus '' . However , these genera did not coexist , `` Alvarezsaurus '' being approximately 5 million years older than `` Saltasaurus '' .
`` Alvarezsaurus '' was featured in the Discovery Channel television series `` Dinosaur Planet '' , which speculated that it was a predator of young `` Saltasaurus '' , although these species did not exist at the same time , `` Alvarezsaurus '' being about 5 million years older than `` Saltasaurus '' .