Tyrannosaurus rex (Tyrant Lizard King) is a species of Dinosauria in the family tyrannosaurids. This species is extinct. They were carnivores. Individuals could grow to 12 m. Reproduction was oviparous.
Definition: A taxon is Extinct when there is no reasonable doubt that the last individual has died. A \r\ntaxon is presumed Extinct when exhaustive surveys in known and/or expected habitat, \r\nat appropriate times (diurnal, seasonal, annual), throughout its historic range have failed \r\nto record an individual. Surveys should be over a time frame appropriate to the taxon’s \r\nlife cycle and life form.