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(10-19-2019, 02:57 PM)Spalea Wrote: I just quote this from wikipedia:
" Barosaurus was an enormous animal, with some adults measuring more than 26 meters (85 feet) in length and weighing more than 20 metric tons (22 short tons).[2] There are some indications of even larger individuals, probably over 50 meters long and with a mass around 100 tonnes making it possibly the largest known dinosaur.[3] Barosaurus was differently proportioned than its close relative Diplodocus, with a longer neck and shorter tail, but was about the same length overall. It was longer than Apatosaurus, but its skeleton was less robust.[4]"
Thus Barosaurus seemed to be built like an diplodocus: very long body but light frame.
Argentinosaurus would have been 35 meters long and weighed 80 tons. Bruhathkayosaurus 34 meters long and 90 tons. Built like the apatosaurus they seemed to be more robust animals. Other dinosaurs seemed to enjoy the same frame: brachiosaurus, paralititan, sauroposeidon... Als were titanosauridae.
I know that, mostly of you don't like wikipedia but we are just speculating from a few bones discovered. Thus no reason to get excited about them and drag some definitiv judgments.
Diplodocus was a "slight" sauropod, but if he could use its tail like a whip, the blow could be fatal for any predator. If I say that for a diplodocus, as concerns the bigger sauropods it was even more true. I truly think that adult sauropods couldn't fear any predator, except perhaps if they hunted in pride, but even so they should have prefered to attack a juvenile one or a wounded adult...
I personally think those robust sauropods are much heavier than gracile sauropods such as diplodocids. It's like comparing elephants to giraffes.
Not quite. Barosaurus and Supersaurus are 'gracile' sauropods, and they are pretty big (35-40 and 100 tons)
@Spalea
Well, not quite. Mamenchisaurus is actually quite a robust animal; it weighs about 3.5 times as much as Diplodocus at length parity, and in fact outweighs a 34-37 meter Argentinosaurus by 2 tons (35 meters, 75 tons). So yes, I think we can put it as robust
The biggest dinosaurs that lived on Earth
