Q What is the official scientific name for Tyrannosaurus? A Tyrannosaurus lux B Tyrannosaurus rex C Tyrannosaurus rox Answer B Tyrannosaurus rexThe correct name is Tyrannosaurus rex. “Rex” is a Latin word that means “king.” Previous Quiz List Find a Dinosaur Eoraptor ClassificationSauropods CharacteristicsOmnivorous EraTriassic period Microceratus ClassificationMarginocephalia CharacteristicsHerbivorous EraCretaceous period Corythosaurus ClassificationOrnithopoda CharacteristicsHerbivorous EraCretaceous period Proceratosaurus ClassificationTheropods CharacteristicsCarnivorous EraJurassic period Sponsored Links Sponsored Links Dinosaur List