What Is the Tallest Dinosaur?

Dinosaur remains discovered in 1994 in Oklahoma, USA, belong to what is believed to be the largest creature to have ever walked the earth.

The Sauroposeidon stood at 18 m (60 ft) tall and weighed 60 tonnes (132,277 lb). The length of its neck is about a third larger than that of the Brachiosaurus, its nearest competitor. It lived about 110 million years ago, during the mid-Cretaceous period.