Argentinosaurus belongs to the Titanosaur class of sauropod dinosaurs, and its name is very simple, meaning a dinosaur discovered in Argentina. Survival period: 100 million years ago, mid Cretaceous Albian stage -93 million years ago, late Cretaceous Senonian stage. It is one of the largest land dinosaurs discovered. It is one of the largest animals that once roamed the earth, with a height of 12 meters and a length of 42 meters. Among all modern organisms, only the fragile double chambered dinosaur is longer than it. There are some other dinosaurs that are as long as the Argentinosaurus, and some that are taller than it. However, Argentinosaurus is still much heavier than other dinosaurs, possibly weighing up to 94 tons.

Camarasaurus is an extinct sauropod dinosaur. It is the most common large sauropod dinosaur in North America, with an adult body size of about 20 meters long and a weight of 15-50 tons. Compared to other long necked dinosaurs, its neck is much shorter and its tail is also shorter, making its physique appear more robust and sturdy. It is one of the most famous dinosaurs in North America. The Latin meaning of its name is a dome shaped reptile. They belong to vegetarian dinosaurs and lived in the late Jurassic period, dating back 155 to 145 million years ago. Compared to other tall relatives in the sauropod family, the dome dragon appears relatively short.