Stegosaurus
Brontosaurus is the obsolete synonym for the dinosaur Apatosaurus, a very large sauropod dinosaur that lived during the Late Jurassic epoch, was over 20 meters long and weighed roughly as much as four elephants.
It depends. If Seismosaurus hallorum proves to be really a Diplodocus, than that would be the longest known specimen, with a length of about 33 meters. Otherwise, the longest known Diplodocus is about 27-30 meters long.
The area of Dinosaur World - Arkansas - is 263,045.667456 square meters.
The longest dinosaur lenth is about 50 feet (15 meters) according to scientiests.
The area of Dinosaur Valley State Park is 6,170,322.924361728 square meters.
Jainosaurus Janenschia Jaxartosaurus Jeholornis (technically a bird) Jeholosaurus Jenghizkhan "Jensenosaurus" "Jiangjunmiaosaurus" Jiangjunosaurus Jiangshanosaurus Jinfengopteryx Jingshanosaurus Jintasaurus Jinzhousaurus Jiutaisaurus Jixiangornis (technically a bird) Jobaria Jubbulpuria Jurapteryx "Jurassosaurus" Juravenator
The mesosaurus dinosaur was actually very small, roughly 3 feet in length, which is 0.9144 meters. The correct pronunciation is mezz-owe-sore-uss.
The biggest is 25 meters long, and called the liopleurodon. The biggest is 25 meters long, and called the liopleurodon. The biggest is 25 meters long, and called the liopleurodon.
compsognathus is the smallest dinosaur and is the size of a chicken, but palaeontologists have just discovered 'micropachycephalosaurus' which might be even smaller and has the longest name of any dinosaur so far!
Such animals do not live now, but did once. Hydrotherosaurus and Quetzalcoatlus are the names now given to species of dinosaur that lived late Cretaceous geological period. Hydrotherosaurus was a plesiosaur reaching up to 13 meters in length. Quetzalcoatlus was a pterosaur (a type of flying dinosaur) with a 10-11 meter wingspan.
measuring up to 13 meters(43ft) in lenght. up to 4 meters (13ft) tall at the hips and up to 6.8 metric tons( 7.5 short tons ) in weight. a tryannaosaurus is a 30-40 foot long carnivouros dinosaur from the early cretacious period also known as T-Rex
Tyrannosaurus rex was 4 meters, or 13 feet, tall. They were 40 feet long.