Largest Dinosaur:

Updated May 8, 2019 | Infoplease Staff

Argentinosaurus hinculensis

(c) Joe Tucciarone
Meaning of Name:“Argentinian lizard”
Period:Cretaceous Period (138 million to 65 million years ago)
Size:35 - 45 meters long
Weight: 100 metric tons

Although only the back vertebrae, tibia, a few fragmentary ribs, and the sacrum of this dinosaur have been recovered, paleontologists believe Argentinosaurus is the largest dinosaur of them all.

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