Brachiosaurus belongs to sauropods and lived in the late Jurassic. Its names are "β ρ α χ ν" (forearm) and "σ α υ ο?" (lizard) United because the forelimbs are much larger than the hind limbs. Brachiosaurus was one of the largest animals that once lived on land and one of the most famous dinosaurs.

2. Allosaurus

Allosaurus, also known as sauropod or Allosaurus, belongs to the carnivorous order sauropod. Allosaurus is a medium-sized bipedal carnivorous dinosaur, with a body length of 8.5 meters and a maximum of 9.7 meters, and a weight of 1.5~3 tons and a maximum of 3.6 tons. They lived in the late Jurassic, about 65.438+55 billion years ago to 65.438+35 billion years ago.

3, shark tooth dragon

Squaodon, also known as odontosaurus, means "a lizard like a man-eating shark, belonging to the sauropod family, lived in the middle Cretaceous to the late Cretaceous from10 million to 93 million years ago.

4.megalodon shark

Megalodon was the earliest named dinosaur, but it lived in Jurassic. As early as 1677, an English priest described its broken bones. Unfortunately, the priest didn't know what kind of animal would have such a big bone, so he described it as the remains of a giant.

It was not until 1823 that the jaws and teeth of the same animal were discovered. william baker Lan, a British geological paleontologist, described it scientifically and named it Megalodon.

5. Tyrannosaurus Rex

Tyrannosaurus rex, which lived in Maastricht stage at the end of Cretaceous, was one of the last non-avian dinosaur species before the Cretaceous-Tertiary extinction. Fossils are distributed in North America, the United States and Canada, and are among the latest dinosaurs to become extinct.