Ankylosaurus is a genus of armoured dinosaur that lived during the Late Cretaceous period, around 68-66 million years ago. It belonged to the family Ankylosauridae, which also includes other armoured dinosaurs such as Euoplocephalus and Panoplosaurus. The Ankylosaurus lived all across the northern hemisphere with fossils being found in a variety of different environments from forests and swamps to the floodplains of North America and Asia. Ankylosaurus evolved its iconic club-like tail and ... Ankylosaurus is a genus of armored dinosaurs found in fossilized geological structures dating back to the end of the Cretaceous Period, about 68-66 million years ago in the western part of North America. It is the most well-known ankylosaurid, estimated to have measured between 6 to 8 metres (20 and 26 feet) in length and to weigh approximately 4.8 to 8 tonnes. It was quadrupedal with large, sturdy bodies and a large low skull with two horns that pointed backwards from the rear of the head ... Weighing about 10,000 pounds and measuring 30 feet long, scientists believe that the dinosaur couldn’t move any faster than a human can walk: about three miles an hour. Its name comes from the... Ankylosaurus, (genus Ankylosaurus), armoured ornithischian dinosaurs that lived 70 million to 66 million years ago in North America during the Late Cretaceous Period.