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John Byrne

Grumpy Old Guy

Joined: 11 May 2005
Posts: 132135
Posted: 19 October 2018 at 9:52am | IP Logged | 1 post reply

T-Rex Arms
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Andrew Bitner
Byrne Robotics Member


Joined: 01 June 2004
Location: United States
Posts: 7467
Posted: 19 October 2018 at 11:37am | IP Logged | 2 post reply

Interesting! So T-Rex might have been capable of a lot more than we thought.
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Olav Bakken
Byrne Robotics Member


Joined: 15 June 2014
Posts: 241
Posted: 19 October 2018 at 12:28pm | IP Logged | 3 post reply

Waiting for a dinosaur movie that portray them in a more anatomically correct way than the present Jurassic Park movies.

Some of the more advanced theropods are said to have folded their arms like bird wings when not in use. If so, it sounds like the tyrannosaurs wasn't there quite yet.
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John Byrne

Grumpy Old Guy

Joined: 11 May 2005
Posts: 132135
Posted: 19 October 2018 at 2:24pm | IP Logged | 4 post reply

Elsewhere, I recall a paleontologist (Jack Horner?) making the point that T-Rex’s arms were entirely vestigial, and completely embedded in the muscles of the chest.
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Olav Bakken
Byrne Robotics Member


Joined: 15 June 2014
Posts: 241
Posted: 19 October 2018 at 6:47pm | IP Logged | 5 post reply

I remember that as well, possibly from Discovery channel. Other weird explanations was that they could be handy when getting back up after a nap.

Untill they find some fossilized soft tissue, last word is probably not said.

(Another giant carnivorous dinosaur, Carnotaurus, had even more reduced arms, despite having more fingers.)
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Koroush Ghazi
Byrne Robotics Member


Joined: 25 October 2009
Location: Australia
Posts: 1640
Posted: 20 October 2018 at 12:56am | IP Logged | 6 post reply

Interesting. One aspect of the T-Rex which I find difficult to grasp is the way they moved. Recent information seems to indicate that they didn't run, they walked. So the picture most of us commonly have of a T-Rex jogging along may be inaccurate. If they walked, would their stride have been more like a turkey or emu?

Edited by Koroush Ghazi on 20 October 2018 at 12:57am
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Robbie Parry
Byrne Robotics Member


Joined: 17 June 2007
Location: United Kingdom
Posts: 12186
Posted: 20 October 2018 at 6:29am | IP Logged | 7 post reply

I may as well throw away the dinosaur books I bought as a kid (including the one about the 'brontosaurus'). 

Everything we think we know is wrong. Or may be.
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John Byrne

Grumpy Old Guy

Joined: 11 May 2005
Posts: 132135
Posted: 20 October 2018 at 6:35am | IP Logged | 8 post reply

It's been a long, hard road for dinosaurs. When first discovered, the immediate thought seems to have been "dragons!", and so they were cast as lizards, cold blooded and slow.

It's taken decades to shake some of the stronger misconceptions!

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Robbie Parry
Byrne Robotics Member


Joined: 17 June 2007
Location: United Kingdom
Posts: 12186
Posted: 20 October 2018 at 7:13am | IP Logged | 9 post reply

That's true. 

It does make me smile when I think about some 'facts' I was taught at primary school. Particularly about the 'brontosaurus'. 

But I think the misconceptions will remain. It doesn't happen on a daily basis - I don't tend to discuss dinosaurs in my cab - but I do occasionally hear someone refer to the 'brontosaurus'.
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John Byrne

Grumpy Old Guy

Joined: 11 May 2005
Posts: 132135
Posted: 20 October 2018 at 7:19am | IP Logged | 10 post reply

BrontosaurusComeback!
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Robbie Parry
Byrne Robotics Member


Joined: 17 June 2007
Location: United Kingdom
Posts: 12186
Posted: 20 October 2018 at 7:32am | IP Logged | 11 post reply

I see my timing is as good as ever. ;-)
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Robbie Parry
Byrne Robotics Member


Joined: 17 June 2007
Location: United Kingdom
Posts: 12186
Posted: 20 October 2018 at 11:51am | IP Logged | 12 post reply

Won't be on the forum for a while, folks, going on a trip to Africa:

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