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Jurassic/Cretaceous--The largest land animals of all time

Sauropods were long-necked dinosaurs that were the largest (heaviest, tallest, and longest) land animals of all time. There is, however, some debate about which sauropod dinosaur (which genera and species) were the tallest, heaviest, and longest. Some of these dinosaurs are known from near-complete skeletons, while others are known only from fragmentary remains. Scientists compare fragmentary remains to skeletal parts in the known complete skeletons to estimate how proportionally tall, long, or heavy a whole dinosaur would have been if it were known from a complete skeleton. You can use the following web sites to discover more about these giant creatures and the debates concerning which were the tallest, heaviest, and longest!

Key links to Dinosaur weight/mass