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恐龍化身DIO (霸王龍專家)
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有誰願意翻譯看看呢?

A palaeontologist’s work is never doneWhy science? »
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Tyrannosaurus vs Giganotosaurus
Published November 17, 2008 Dinosaurs
Tags: body size, Dinosaurs

Over on AAB I have been debating the relative sizes of the giant theropods Tyrannosaurus and Giganotosaurus with sauropod expert Mike Taylor. Those regular readers of this blog will know I have a longstanding interest in dinosaur body sizes and mass estimates and they are a question that comes up again and again when then the public or media get to grill palaeontologists, if only as framed as “which was the biggest?”.

These are however a very interesting pair of taxa and illustrate a few concepts quite well (namely different concepts of being the ‘biggest’) and are often foremost in people’s minds when they think of giant dinosaurian predators. Tyrannosaurus is famous for its size and is probably one of the most recognisable dinosaurs going, and there is little doubt it was huge - around 12 m in length and something like 8t in mass. For a very long time it was regarded as the largest terrestrial predator and the absence of any detailed information about Spinosaurus (rapidly followed by the absence of any material following World War II) meant that until recently, Tyrannosaurus was pretty much unchallenged. Then a flurry of discoveries in South America threatened the crown of the king severely, most notably through Giganotosaurus, a real giant and almost certainly taking the crown for the longest theropod known at a round 14 m, though Tyrannosaurus was quite probably heavier

This gives me the opportunity to wheel out this image that I produced for a grant application I made of giant predators that gives you an idea of just how big some of these got. At the front you have a Siberian tiger (white - the largest living terrestrial predator) and Andrewsarchus (grey - the largest known mammalian predator, though its status as a carnivore has been questioned) and then across the back Spinosaurus (white - actually drawn too large, it has recently been scaled back a bit from this and the biggest carnosaur), Giganotosaurus (black - the biggest allosauroid), Tyrannosaurus (grey - the biggest tyrannosaur) and Carnotaurus (white - the biggest known abelisaur). As you can see Tyrannosaurus is massive by any measure, but what interests me is the actual build of the animals and most notably the respective skulls of our featured animals.

This post was inspired by the fact that I ended up discussing (i.e. arguing) about them with Mike the day after I spotted this image online via my colleague Canadian palaeontologist and Tyrannosaurus specialist Eric Snively who kindly passed it on. It is made from CT scans of sculpture reconstructions, of Sue (the famously complete and very large Tyrannosaurus, by Brian Cooley) and the type of Giganotosaurus (by Maria Gravino). It’s taking a team from five countries to turn these into finite element models for bite force comparison research I am I very grateful for being allowed to use it.
The scale may not be exactly right, but it is good enough and it really demonstrates the point I want to make. Tyrannosaurs might not be the longest, or even the heaviest theropod, and certainly it *is* the most over exposed and overstudied, BUT it is also has an absolutely huge skull for its size. Not only is the skull pretty much the same in overall dimensions as that coming from an animal supposedly much larger than itself, but that cranium is far far more massively built. The skull is incredibly robust and well built in comparion to that of Giganotosaurus. It really gives you a feel of just how different and specialised Tyrannosaurs seems to be, since Giganotosaurus really does have a pretty ‘typical’ theropod skull, if a very big one.

圖片附件: untitled.jpg (2009-1-27 10:14 PM, 18.57 K)

圖片附件: untitled22.jpg (2009-1-27 10:14 PM, 34.88 K)

2009-1-27 10:14 PM

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有一些竹一翻譯網站是可以成篇翻譯的....
http://www.worldlingo.com/zh_tw/ ... er_translation.html

2009-1-27 10:18 PM

vkashima (中華龍鳥)
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翻譯住咁多

Tyrannosaurus vs Giganotosaurus
Published November 17, 2008 Dinosaurs
Tags: body size, Dinosaurs

在AAB我一直和蜥臀目恐龍學家Mike Taylor在辯論暴龍和南方巨獸的身形比較。這個Blog的長期讀者一定知道我一向對恐龍的體形有濃厚的興趣, 公因而一直在問: 到底誰的體形較大?
牠們的而且確是很有趣的一對, 並可以描寫出幾個關於誰大的概念, 因為她們是人們心目中最具代表性的捕獵者。暴龍可能是最出名巨大的捕獵者, 約12米長和8吨重。直至最近, 在人們對Spinoasurs棘龍仍是所知不多之故, 暴龍最大食肉獸的地位仍牢不可破。接住在南美州發掘出土的各個品種, 尤其是南方巨獸, 幾肯定以14米長取代暴龍霸者地位成為最長的獸腳類恐龍, 雖然暴龍可能重些。

這使我有機描述出這些捕獵者的形象是何等巨大。晸初在你面前是西百利亞虎, 接箸是安氏中獸(已絕滅), 繼而是棘龍, 南巨,暴龍, 牛龍.... 你可見暴龍最粗壯, 但我最感興趣的是牠們的實際架構, 特別是架。

我開這條post是在和MIke辯論後將形象圖交給同事, 加拿大古生物學家Eric Snively後引發的。這個圖是以CT Scan修複Sue (暴龍)及 Maria (南巨)的架製成的。這個圖是由一組5國人員組成, 為找出牠們咬力比較而設的Model製成的。雖然比例不是最準確, 它可以解柝我想說的。暴龍雖然不是最長最重的獸腳類恐龍, 牠肯定是最被過度暴露和過度研究的恐龍, 雖則它是很大。

Not only is the skull pretty much the same in overall dimensions as that coming from an animal supposedly much larger than itself, but that cranium is far far more massively built. The skull is incredibly robust and well built in comparion to that of Giganotosaurus. It really gives you a feel of just how different and specialised Tyrannosaurs seems to be, since Giganotosaurus really does have a pretty ‘typical’ theropod skull, if a very big one.

2009-1-28 12:12 AM

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回復 #1 恐龍化身DIO 的帖子

在外國的BLOG找的嗎?

2009-1-28 05:14 PM

寒武紀
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外地討論的

寒武紀:生命的伊甸園

2009-1-31 12:54 AM

恐龍化身DIO (霸王龍專家)
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外國網站找的^^

2009-2-1 09:35 PM

aibowing
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暴龍對Giganotosaurus
出版2008十一月17日，恐龍
標記：身體尺寸，恐龍

在AAB我辯論巨型獸腳亞目食肉恐龍暴龍和Giganotosaurus的相對大小與蜥腳類動物專家的麥克・泰勒。這個博克的那些普通讀者知道我在恐龍身體尺寸上有耐久興趣，并且大量估計和他們是再次出來的問題，當然後是最大的？」的公眾或媒介得到盤問古生物學家，如果只有如被構築和「。

然而這些是一個非常有趣的對羅汗松并且相當很好說明幾個概念(即不同的概念的是`最大』)并且經常是首要的在人的頭腦裡，當他們認為巨型dinosaurian掠食性動物時。暴龍為它的大小是著名的并且大概是其中一最可認識的恐龍去，并且有它是巨大-大約長度12 m和某事像8t在大量的一點疑義。在非常很長時間它被認為最大地球食肉動物，并且缺乏關於Spinosaurus的所有詳細信息(迅速地跟隨由缺乏任何物質跟隨的第二次世界大戰)近來意味那，暴龍是幾乎未受挑戰的。然後大量發現在南美洲通過Giganotosaurus，一真正巨型和幾乎某登上王位嚴厲地，顯著地威脅了國王的冠為最長的獸腳亞目食肉恐龍已知在圓14 m，雖然暴龍是相當大概更重的

這提供我機會轉動我為經費申請導致我做巨型掠食性動物多大給你得到的想法其中一些的這個圖像。在前面你有西伯利亞老虎(白最大的生存地球掠食性動物)和Andrewsarchus (灰色-最最大知名的哺乳動物的掠食性動物，雖則它的狀態，因為食肉動物被問了)然後橫跨後面Spinosaurus (白實際上被畫的太大，它最近按比例縮小位從此和最大的carnosaur)， Giganotosaurus (黑最大的allosauroid)，暴龍(灰色-最大的恐龍)和Carnotaurus (白最大的已知的abelisaur)。你能看到暴龍由任何措施是巨型的，但是什麼興趣我顯著地是動物和我們的特色動物的各自頭骨的實際修造。

這個崗位由事實啟發我導致談論(即爭論)關於他們與麥克天，在我通過親切地傳遞它的我的同事加拿大古生物學家和暴龍專家埃里克Snively之後在網上察覺了這個圖像。它由雕塑重建CT掃瞄被做，蘇(著名完全和非常大暴龍，由布賴恩・ Cooley)和Giganotosaurus的種類(由瑪麗亞・ Gravino)。它採取一個隊從五個國家把這些變成有限要素模型為叮咬力量我是我非常感恩對准許使用它的比較研究。
標度不也許正確地是不錯，但是它是足够好，并且它真正地展示我想要提出的觀點。恐龍也許不是最長，甚至最重的獸腳亞目食肉恐龍和一定它*is*多數在暴露和overstudied，但是它是也有一塊绝對巨大的頭骨為它的大小。 _不僅是這頭骨幾乎這同樣在overall總尺寸像來自from動物推測larger大於本身的那，但是遠的more更加巨型修造的那頭蓋骨。頭骨是難以置信地健壯和很好修造在comparion對那Giganotosaurus。它真正地給你一種感受不同和專業恐龍怎麼似乎是，因為Giganotosaurus真正地有一塊俏麗的`典型的』獸腳亞目食肉恐龍頭骨，如果一非常大一個。

2009-2-9 02:22 PM

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good

WOWOWOWOWOWWOW

2009-2-10 05:51 PM

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is the post come from the dinoforum http://forum.dinodata.org ??
I am the moderator of the chinese part... Welcome to visit there. And i think I will post both Chinese and English Version of dino-information there

2009-3-15 06:16 PM

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QUOTE:

原帖由 Dinosaurprince 於 2009-3-15 06:16 PM 發表
is the post come from the dinoforum http://forum.dinodata.org ??
I am the moderator of the chinese part... Welcome to visit there. And i think I will post both Chinese and English Version of dino- ...

版主哥哥~太崇洋了..宣傳別的論壇，你不如貼多d過來好過啦!

有進化的

2009-3-19 07:21 PM

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