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Rex Fan 684
MemberCompsognathusSep-07-2013 7:38 PMAlamosaurus is one of my favorite dinosaurs. In most publications, it's said to be roughly 50-60 ft in length and 20 tons in weight. While this is true for some individuals, isolated vertebrae and limb bones suggest bigger animals. Much bigger animals. These bones indicate that it reached sizes comparable to Argentinosaurus and Puertasaurus, which would make it the largest dinosaur known from North America. Not only would it be the biggest animal in N. America, it would be among the biggest land animals ever. I estimate Alamosaurus had a max size of perhaps 80+ ft and at least 60-70 tons, probably more. Alamosaurus is a perfect example of how some dinosaurs are given a size based on the common finds, while isolated bones suggest animals much bigger. This is an important detail about Alamosaurus that I think should be addressed.
[img]http://blogs.smithsonianmag.com/dinosaur/files/2009/03/tyrannosaurus-alamosaurus-skrepnick-painting-300x226.jpg[/img]
[img]http://fc06.deviantart.net/fs71/i/2012/253/1/9/alamosaurus_sanjuanensis_by_teratophoneus-d5e7ezs.jpg[/img]
[img]http://www.wikidino.com/wp-content/uploads/Alamosaurus-texas-geology.jpg[/img]
[img]http://upload.wikimedia.org/wikipedia/commons/f/ff/AlamosaurusDB.jpg[/img]
"Men like me don't start the wars. We just die in them. We've always died in them, and we always will. We don't expect any praise for it, no parades. No one knows our names."
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11 Replies

Lord Vader
MemberTyrannosaurus RexSep-07-2013 7:40 PMInteresting. Either way, Rex isn't taking it often.
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Deltadromeus
MemberCompsognathusSep-07-2013 7:43 PMOkay, if it is that big, then rex would be running away. Even a Giganotosaurus, who is designed to kill sauropods, would think twice about attacking a dinosaur that size. I'm just taking with MrHappy here, and agree with you, most dinosaurs are based off of the common finds, and not something that suggest humongity. That's a word.
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Rex Fan 684
MemberCompsognathusSep-07-2013 7:47 PMI'm not getting into anything about Rex vs Alamo. We all know what I'd say ;)
Now, many people say Brachiosaurus is the biggest dinosaur from N. America, but obviously it's not. That title goes to a dinosaur who's from a family who's name says it all, the Titanosaurs! Go Alamosaurus, next to Camarasaurus, it's my favorite sauropod.
"Men like me don't start the wars. We just die in them. We've always died in them, and we always will. We don't expect any praise for it, no parades. No one knows our names."
―Alpha-98

Deltadromeus
MemberCompsognathusSep-07-2013 7:49 PMAnd what about the possibility of Amphicoelias being 170 feet long? Anything that long will be at least 100 tons or more, even if it does have a long neck and tail and it light.
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DinoFights
MemberCompsognathusSep-07-2013 7:52 PMRoughly 85-95 feet and 80-90 tons, it's still a tiny bit behind Argentinosaurus at 100-115 feet and 95 tons. Both were some of the biggest titanosaurs.
And scaling from D. hollorum, Amphicoelias is actually BIGGER than thought, about 225-250 feet and 200 t in weight.
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Rex Fan 684
MemberCompsognathusSep-07-2013 7:53 PMWell at least there are bones for Alamosaurus. Those of Amphicoelias are lost.
"Men like me don't start the wars. We just die in them. We've always died in them, and we always will. We don't expect any praise for it, no parades. No one knows our names."
―Alpha-98

DinoFights
MemberCompsognathusSep-07-2013 7:58 PMLost and dust. On the train ride to a museum they shattered into a kajillion pieces, being literally dust. I'm sure they were thrown away afterwards.
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Deltadromeus
MemberCompsognathusSep-07-2013 8:10 PMDarn it. Not another bone destroyed. And I have Argentinosaurus at around 130 feet long and 100 tons, just to let you know.
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DinoFights
MemberCompsognathusSep-07-2013 8:35 PMI can see that being true.
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Rex Fan 684
MemberCompsognathusSep-08-2013 10:30 AMI usually put Argentinosaurus at 120 ft long and 110 tons. But that's just me.
"Men like me don't start the wars. We just die in them. We've always died in them, and we always will. We don't expect any praise for it, no parades. No one knows our names."
―Alpha-98

Deltadromeus
MemberCompsognathusSep-08-2013 11:20 AMI can agree with that. Its pretty big, no wonder Giganotosaurus hunted in large packs. It can't take one of those giants down without one.
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