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Posted: Fri Dec 09, 2016 9:03 am     Super secret spam barrier
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First Dinosaur Tail Found Preserved in Amber


Pretty bloody awesome :)

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The tail of a 99-million-year-old dinosaur, including bones, soft tissue, and even feathers, has been found preserved in amber, according to a report published today in the journal Current Biology.

While individual dinosaur-era feathers have been found in amber, and evidence for feathered dinosaurs is captured in fossil impressions, this is the first time that scientists are able to clearly associate well-preserved feathers with a dinosaur, and in turn gain a better understanding of the evolution and structure of dinosaur feathers.

The semitranslucent mid-Cretaceous amber sample, roughly the size and shape of a dried apricot, captures one of the earliest moments of differentiation between the feathers of birds of flight and the feathers of dinosaurs. (Learn more about the evolutionary relationship between dinosaurs and birds.)

Inside the lump of resin is a 1.4-inch appendage covered in delicate feathers, described as chestnut brown with a pale or white underside.

Based on the structure of the tail, researchers believe it belongs to a juvenile coelurosaur, part of a group of theropod dinosaurs that includes everything from tyrannosaurs to modern birds.

The presence of articulated tail vertebrae in the sample enabled researchers to rule out the possibility that the feathers belonged to a prehistoric bird. Modern birds and their closest Cretaceous ancestors feature a set of fused tail vertebrae called a pygostyle that enables tail feathers to move as a single unit.

The dinosaur feathers feature a poorly defined central shaft (rachis) and appear to keel to either side of the tail. The open, flexible structure of the feathers is more similar to modern ornamental feathers than to flight feathers, which have well-defined central shafts, branches, sub-branches, and hooks that latch the structure together.



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Source article: http://news.nationalgeographic.com/2016/12/feathered-dinosaur-tail-amber-theropod-myanmar-burma-cretaceous/


Posted: Fri Dec 09, 2016 9:15 am     Super secret spam barrier
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We all know where this is going.


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Posted: Fri Dec 09, 2016 10:04 am     Super secret spam barrier
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Posted: Sat Dec 10, 2016 9:57 am     Super secret spam barrier
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Nah, Dinosaurs are all a hoax, invented to discredit religion,

This bloke says so and he has his own webpage, so it must be true

http://loveforlife.com.au/content/10/09 ... saurs-scie


Posted: Sat Dec 10, 2016 12:09 pm     Super secret spam barrier
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No, no, NO!

God (and Little Baby Jesus (LBJ)) put the dinosaur remains there to test our faith!


Posted: Sat Dec 10, 2016 12:39 pm     Super secret spam barrier
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Keep on the topic of dinosaurs please lads.
Bringing religion into it will undoubtedly get the thread locked.


Posted: Sat Dec 10, 2016 2:25 pm     Super secret spam barrier
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Dicks our for T-Rex

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Posted: Sat Dec 10, 2016 3:53 pm     Super secret spam barrier
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That is so cool

TLS_Cud


Posted: Sat Dec 10, 2016 4:40 pm     Super secret spam barrier
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It is a remarkable find, to quote Bill Bryson from the excellent 'a short history of nearly everything' ( a great read if you havn't already)

"It isn't easy to become a fossil… Only about one bone in a billion, it is thought, becomes fossilized. If that is so, it means that the complete fossil legacy of all the Americans alive today - that's 270 million people with 206 bones each - will only be about 50 bones, one-quarter of a complete skeleton. That's not to say, of course, that any of these bones will ever actually be found. Bearing in mind that they can be buried anywhere within an area of slighly over 9.3 million square kilometres, little of which will ever be turned over, much less examined, it would be something of a miracle if they ever were”


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