The Supersaurus meaning ’super lizard’ was discovered in Colorado in the Upper Jurassic Morrison Formation in 1972, and was officially named by Jim Jensen the Supersaurus vivianae in 1985. A member of the Diplodocid family these sauropods were huge.
The Giganotosaurus existed during the Turonian stage of the late cretaceous period about 90 million years ago. It was first discovered in 1995 in the Argentinean region of Patagonia at the Rio Limay Formation by Ruben Carolini.
The Tyrannosaurus or T. Rex existed in the late cretaceous period some 65 million years ago. A carnivorous dinosaur and an extremely popular icon in todays movie culture this dinosaur is probably one of the most talked and read about dinosaurs ever to have existed.
The Eoraptor existed during the early Triassic period some 228 million years ago and is considered to be one of the predecessors of all latter day dinosaurs. Discovered in the Ischigualasto formation of Argentina in 1991, its near complete skeleton was an eye opener for scientists.
The Corythosaurus was a crested duck-billed dinosaur which existed during the late cretaceous period around 80 million years ago. The name Corythosaurus means “Helmet Lizard” which stems from the Greek words ‘korythos’ meaning helmet and ’saurus’ meaning lizard.