40 meters

Whats the size of the biggest extinct dinosaur? We can speculate it with the dinosaur fossils excavated by archaeologists. Although some dinosaurs were awarded the title of “largest in the history” e, this record was constantly refreshed. The recent champion is the huge dinosaur found in the Patagonia region of Argentina. This dinosaur bone is about 40 meters long and 20 meters high, its calculated the dinosaur is about 77 tons weight, and 14 times bigger of African elephant,the biggest animal on land now, 7 tons heavier than the former “worlds biggest dinosaur”record “Argentina dragon”. The scientists believe that it is a new kind of brontosaurus——the herbivorous dinosaur in the late cretaceous period.endprint