Dinosaurs must have lived underwater, scientist claims

Apr 3, 2012 | Posted by: roboblogger | Full story: Independent.ie

DINOSAURS were too big and heavy to support themselves on dry land and must have lived underwater, a scientist has claimed.

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“'SPOT' The Diplodocus”

Since: Feb 12

Cheshire UK

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#1
Apr 3, 2012
 
Although this may apply to some of the larger Theropods. It shows that this is a real problem as I pointed out in my "Lighter Gravity" thread.
I'm sure Quetzalcoatlus never flew underwater!!

“DoubleTheClaw, DoubleThePain”

Since: Aug 11

Ho Chi Minh City, Vietnam

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#2
Apr 3, 2012
 
Tyranna2 wrote:
Although this may apply to some of the larger Theropods. It shows that this is a real problem as I pointed out in my "Lighter Gravity" thread.
I'm sure Quetzalcoatlus never flew underwater!!
This is only a claim by a scientist,maybe gravity was really lighter then,just maybe.anyway,Quetzalcoatlus would hardly be able to flap it's wings underwater due to water resistance. And what's gonna lift that body up??If Dino's lived under water why don't they show any adaptation to breath or move under water??Are you saying that Some Stegosaurus will be running away from Predator X??If sauropods were underwater this is a big problem as on land predators could not reach for the skull and neck of things like Brachiosaurus,underwater,Preda tor X would rip the head off of any sauropod.

“DoubleTheClaw, DoubleThePain”

Since: Aug 11

Ho Chi Minh City, Vietnam

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#3
Apr 3, 2012
 

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And if Dino's lived underwater where will they get food??Don't tell me corals.and if the land was so empty mammals would have evolved bigger to fill the niches for a terrestrial food chain.
Staten-John

Brooklyn, NY

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#4
Apr 3, 2012
 
This is a theory that was offered over a hundred years ago and has been totally disproved. The only large dinosaurs that might have spent considerable time within water, but not completely submerged, were spinosaurs and titanosaurs.

Large dinosaurs were possible because surface gravity was lower during the Mesozoic. See www.dinoextinct.com and click on 'The Gravity Theory of Mass Extinction' for an explanation of why surface gravity was lower.

Since: May 12

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#5
Jun 8, 2012
 
The gravity theory of mass extinction explains a lot.

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