Tyrannosaurus is Greek for "tyrant lizard." Rix is Latin for "king," so T. Rex became the "tyrant lizard king" or "king of the tyrant lizards."
Late Crestaceous (65 million years ago)
Western North America
40 ft from head to toe
7 - 9 tons
"Tyrant King" was the most powerful and intelligent gigantic killer to ever walk the earth. T-Rex was also larger than any plant eater in its environment. Its jaws were so powerful, they could bite off 500 lbs in a single bite. T-Rex teeth are the thickest of any dinosaur, they could slice meat or break through dinosaur bone.