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標題: 山東發現暴龍表親化石 「諸城暴龍」 重6噸高4米  
 
leo2004
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山東發現暴龍表親化石 「諸城暴龍」 重6噸高4米

山東發現暴龍表親化石 「諸城暴龍」 重6噸高4米
(明報)2011年4月2日 星期六 05:05

【明報專訊】英國《每日郵報》報道,研究員在中國山東省發現恐龍化石,經鑑定屬於暴龍表親。這種恐龍頭骨有1米長、長著9厘米長像鑿子的大尖牙。據稱這種生物於6500萬至9900萬年前生活在北美與東亞。

由都柏林大學霍恩(David Hone)博士率領的研究員,在山東省諸城市附近發現這種新化石。研究員通過化石的頭骨、顎骨和牙齒,辨別出牠是暴龍的表親,並推測這種恐龍身長約11 米,站起身高約4米,重達6噸。曾在當地花費3年時間挖掘恐龍化石的霍恩聲稱,「這是另一種暴龍,這些東西不會每天都出現。牠一直以來都是最大的捕食者之一」。他還表示這是很長一段時間以來首次發現超級巨大的暴龍親戚,牠應該是位於食物鏈的頂層。

這種恐龍頭骨有1米長,並長著長達9厘米的大尖牙,足以咬碎獵物的骨頭。這種恐龍在發現時曾被命名為諸城暴龍。由於體積巨大,科學家們將牠定為暴龍的表親(T-Rex's cousin)。 今次發現這種恐龍化石的山東採石場,是世界上最大的恐龍骨聚集地。研究員認為該地區有如此多的恐龍化石,是因為這裏曾是冲積平原,許多恐龍屍體隨著洪水被冲到這裏,成了化石。

每日郵報

http://hk.news.yahoo.com/article/110401/4/nkx7.html
2011-4-2 10:39 PM#1
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Dinosaurprince (Dinosaur Prince)
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another species of the genus tyrannosaurus?
2011-4-3 02:32 AM#2
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The ferocious family: Scientists discover fossils belonging to T-Rex's cousin

Dinosaur had a 1m-long skull and chisel-like bone-crushing teeth 9cm long

Scientists have identified a dinosaur they are describing as 'T-Rex's cousin' from fossils dug up in China.
The gigantic creature roamed North America and east Asia between about 65million and 99million years ago.
Researchers led by Dr David Hone, from University College Dublin, discovered fragments of fossils from the meat eater in a so-called dinosaur quarry in the eastern Chinese province of Shandong.



Ferocious: An artist's impression of the dinosaur, identified from recent fossils found in China, which experts believe was the cousin of the T-Rex

Known as a theropod because it walks on its two hind legs, the dinosaur is said to be a close relative of T-Rex.
It was identified from skull, jaw bone and pieces of teeth. Based on their size it measured about 11m long, stood about 4m tall and weighed close to six tonnes.

Dr Hone, from UCD's school of biology and environmental science, spent three years at the Shandong site before joining the Dublin college.

'It's another big T-Rex and these things don't turn up every day. It's one of the biggest predators of all time,' he said.

'It's the first super-gigantic T-Rex relative discovered in quite a long time. It would be top of the food chain because it would be the biggest thing out there feeding but there are a couple of others out there the same size.'


Sharp: The jaw bone and teeth of the new dinosaur, right, are slightly smaller than those of the T-Rex, left, but scientists still believe the two creatures were closely related

T-Rex's cousin had a 1m-long skull and rounded, chisel-like, bone-crushing teeth 9cm long.

The dinosaur has been officially named Zhuchengtyrannus magnus in honour of Zhucheng, the city in which the fossils were found. But because of its huge size, scientists quickly tagged it T-Rex's cousin.

Dr Hone said: 'With only some skull and jaw bones to work with, it is difficult to precisely gauge the overall size of this animal.

'But the bones we have are just a few centimetres smaller than the equivalent ones in the largest T-Rex specimen. So there is no doubt that Zhuchengtyrannus was a huge tyrannosaurine.'

'We named the new genus Zhuchengtyrannus magnus, which means the Tyrant from Zhucheng, because the bones were found in the city of Zhucheng, in eastern China's Shandong province.'


Comparison: Researches said that the T-Rex's cousin roamed North America and east Asia about 65 to 99 million years ago. Here, fragments of the jaw bone are shown

The research paper was published in Cretaceous Research in the online journal Science Direct.
Another T-Rex-related dinosaur of similar size has been found in the quarry area, the fossils of which are still being analysed.

Tyrannosaurines, which includes T Rex and its cousin, were huge carnivores characterised by small arms, two-fingered hands and large, bone-crushing jaws. They were likely both predators and scavengers.

Dr Hone was the lead author of the scientific paper but was supported in the research by Professor Xu Xing of the Beijing Institute of Vertebrate Paleontology and Paleoanthropology, who has named more than 30 dinosaurs, making him the world leader in describing new dinosaur species.

The Shandong quarry is home to one of the largest concentrations of dinosaur bones in the world.

Research suggests the area contains so many dinosaur fossils because it was a large flood plain where many dinosaur bodies were washed together during floods and fossilised.

Read more: http://www.dailymail.co.uk/scien ... .html#ixzz1IVokQlt3




2011-4-4 09:09 AM#3
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QUOTE:
原帖由 Dinosaurprince 於 2011-4-3 02:32 AM 發表
another species of the genus tyrannosaurus?
No, 直情係新屬(genus)




2011-4-4 09:15 AM#4
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應該不是trex吧



2011-4-6 05:58 PM#5
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hunter-hunted
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在中國最大的肉食恐龍?
2011-4-8 04:39 PM#6
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oviraptor (偷蛋龍)
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QUOTE:
原帖由 hunter-hunted 於 2011-4-8 04:39 PM 發表
在中國最大的肉食恐龍?
11 米相信是最大的了




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2011-4-10 05:27 PM#7
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laney0508 (貢丸)
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它比特暴龍還大嗎?
2011-4-20 06:20 PM#8
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QUOTE:
原帖由 laney0508 於 2011-4-20 06:20 PM 發表
它比特暴龍還大嗎?
差不多




2011-4-25 07:33 PM#9
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