An herbivore vs. a carnivore? NoTitanosaurs were a diverse group of sauropod dinosaurs, which included Saltasaurus and Isisaurus. It includes some of the heaviest creatures ever to walk the earth, which some believe have weighed up to 100 tons (200,000 lbs.) Consequently, they were named titanosaurs in honor of the mythological Titans, the early deities of Ancient Greece.