What was the biggest sauropod?

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MemberCompsognathusMay 22, 20132262 Views1 Replies[img]http://img2.findthebest.com/sites/default/files/426/media/images/Alamosaurus.jpg[/img]
Argentinosaurus reached up to 115 feet in length and weighed 110 tons.
[img]http://images3.wikia.nocookie.net/__cb20120726082055/prehistrico/es/images/5/52/Bruhathkayosaurus.jpg[/img]
Bruhathkayosaurus might have reached 150 feet and weighed 200 tons.
[img]http://www.dinosaurusi.com/foto/all/Paralititan/Dinosaurus_-_Dinosaur_-_Dinosaurio_-_Dinosaure_-_Paralititan001.jpg[/img]
Paralititan reached 105 feet and 100 tons, but was taller than the others listed.
[img]http://dontmesswithdinosaurs.com/wp-content/uploads/EnghSauroposeidonWeb.jpg[/img]
All but Sauroposeidon at 60 feet tall but only 70 tons and 112 feet. How do YOU measure size? Height? Length? Weight? Was the tall Sauroposeidon the biggest? The heavy Bruhathkayosaurus? The long Argentinosaurus?