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YJ GuanLong Review | Thecubicle.us
YJ GuanLong Review | Thecubicle.us
Published: 2015/03/05
Channel: JRCuber
YJ GuanLong Review
YJ GuanLong Review
Published: 2014/11/19
Channel: ParadoxCubing
YJ GuanLong Unboxing [thecubicle.us]
YJ GuanLong Unboxing [thecubicle.us]
Published: 2014/12/16
Channel: CrazyBadCuber
TheCubicle.us GuanLong Challenge - US Nationals 2015 [4k]
TheCubicle.us GuanLong Challenge - US Nationals 2015 [4k]
Published: 2015/08/06
Channel: LaZer0MonKey
Magnets + GuanLong = Awesome Speedcube?
Magnets + GuanLong = Awesome Speedcube?
Published: 2016/11/24
Channel: legoboyz3!
Обзор MoYu GuanLong 3x3 | cubemarket.ru
Обзор MoYu GuanLong 3x3 | cubemarket.ru
Published: 2016/01/15
Channel: Интернет-магазин Кубмаркет
Обзор MoYu YJ GuanLong review | cubeday.com.ua
Обзор MoYu YJ GuanLong review | cubeday.com.ua
Published: 2014/11/20
Channel: WEDNESS
GUANLONG  LEVEL 40 - Jurassic World The Game
GUANLONG LEVEL 40 - Jurassic World The Game
Published: 2015/08/10
Channel: Gam1ngNinja
How I Set Up My YJ Guanlong
How I Set Up My YJ Guanlong
Published: 2014/10/24
Channel: Cubeologist
Guanlong Tribute
Guanlong Tribute
Published: 2013/12/25
Channel: Robert Larsson
Guanpo 2x2 &  GuanLong Plus Review | thecubicleus
Guanpo 2x2 & GuanLong Plus Review | thecubicleus
Published: 2017/09/02
Channel: CrazyBadCuber
Moyu Pyraminx and YJ GuanLong Unboxing | Thecubicle.us
Moyu Pyraminx and YJ GuanLong Unboxing | Thecubicle.us
Published: 2014/11/12
Channel: JRCuber
YJ GuanLong + GuanPo Plus Unboxing! | Speedcubeshop.com
YJ GuanLong + GuanPo Plus Unboxing! | Speedcubeshop.com
Published: 2017/08/13
Channel: Cubing Encoded
Обзор кубика MoYu Guanlong (RUS)
Обзор кубика MoYu Guanlong (RUS)
Published: 2015/05/19
Channel: Koozack Koozacka
Обзор кубика Рубика 3x3x3 MoYu GuanLong
Обзор кубика Рубика 3x3x3 MoYu GuanLong
Published: 2016/08/01
Channel: CCC store
YJ GuanLong Review | [theCubicle.us]
YJ GuanLong Review | [theCubicle.us]
Published: 2015/01/19
Channel: cyoubx
Обновленный YJ/Moyu Guanlong 2017  - обзор и сравнение со старым
Обновленный YJ/Moyu Guanlong 2017 - обзор и сравнение со старым
Published: 2017/10/30
Channel: Крутиголов - магазин головоломок, игр и фокусов
Best Budget Cube? | MF3 & Guanlong Comparison
Best Budget Cube? | MF3 & Guanlong Comparison
Published: 2016/12/09
Channel: Spotty.
El mejor 333 BARATO de la GALAXIA?
El mejor 333 BARATO de la GALAXIA?
Published: 2015/04/22
Channel: TheMaoiSha
Guanlong  3x3 Lo Barato Sale Muy Bueno !
Guanlong 3x3 Lo Barato Sale Muy Bueno !
Published: 2015/05/30
Channel: LeganM10
YJ GuanLong Plus 2017 First Impressions!
YJ GuanLong Plus 2017 First Impressions!
Published: 2017/08/19
Channel: LaZer0MonKey
Unboxing: 3x3 YJ Moyu GuanLong
Unboxing: 3x3 YJ Moyu GuanLong
Published: 2015/07/25
Channel: Sajwo
YJ GuanLong Unboxing
YJ GuanLong Unboxing
Published: 2015/01/25
Channel: DGCubes
Купить кубик Рубика Мою Гуанлонг обзор | YJ Moyu Guanlong review | cubeday.com.ua
Купить кубик Рубика Мою Гуанлонг обзор | YJ Moyu Guanlong review | cubeday.com.ua
Published: 2016/02/23
Channel: CUBEDAY
Budget 3x3s Comparison Yuxin Fire/ Guanlong/ Qiyi Sail
Budget 3x3s Comparison Yuxin Fire/ Guanlong/ Qiyi Sail
Published: 2015/10/27
Channel: Cubey Time
GuanLong & GuanPo Plus Enhanced Edition Unboxing and Review
GuanLong & GuanPo Plus Enhanced Edition Unboxing and Review
Published: 2017/08/15
Channel: SpeedCubeReview
Cubo Mágico YongJun Guanlong (unboxing)
Cubo Mágico YongJun Guanlong (unboxing)
Published: 2015/03/06
Channel: Rafael Cinoto
YJ GuanLong Unboxing! | Lightake.com
YJ GuanLong Unboxing! | Lightake.com
Published: 2014/11/24
Channel: PRNCubers
Dino Bios [35] - Guanlong
Dino Bios [35] - Guanlong
Published: 2016/07/31
Channel: Dino Master
Setting up a 3x3 GuanLong Blindfolded!
Setting up a 3x3 GuanLong Blindfolded!
Published: 2016/11/17
Channel: legoboyz3!
ASDC - Guanlong vs Pachycephalosaurus
ASDC - Guanlong vs Pachycephalosaurus
Published: 2012/04/21
Channel: Allosaurus Rex
Yuxin Fire Vs. YJ GuanLong
Yuxin Fire Vs. YJ GuanLong
Published: 2015/10/19
Channel: SpeedCubeReview
Moyu Guanlong Skewb | Головоломка дня
Moyu Guanlong Skewb | Головоломка дня
Published: 2018/02/16
Channel: Максим Чечнев
YJ GuanLong Square-1 Review
YJ GuanLong Square-1 Review
Published: 2016/09/27
Channel: legoboyz3!
Кубик MoYu MF3 GuanLong Plus | Обзор, купить
Кубик MoYu MF3 GuanLong Plus | Обзор, купить
Published: 2016/10/31
Channel: Интернет-магазин Кубмаркет
Review YJ Guan Long || Español
Review YJ Guan Long || Español
Published: 2014/11/07
Channel: R de rubik
YJ GuanLong Review | Cubes4Speed.com
YJ GuanLong Review | Cubes4Speed.com
Published: 2014/11/02
Channel: Cubes4Speed
YJ Guanlong Unboxing and Review
YJ Guanlong Unboxing and Review
Published: 2014/10/24
Channel: Cubeologist
[รีวิวรูบิค] YJ GuanLong [CandySpeed.com]
[รีวิวรูบิค] YJ GuanLong [CandySpeed.com]
Published: 2016/04/18
Channel: NTP Cuber
Difference between GuanLong, YuLong, SuLong, MF3, & MF3s
Difference between GuanLong, YuLong, SuLong, MF3, & MF3s
Published: 2017/06/13
Channel: SpeedCubeReview
Обзор кубика New Guanlong (2017)
Обзор кубика New Guanlong (2017)
Published: 2017/10/15
Channel: Магазин головоломок Cubes
YJ GuanLong 3x3x3 Impressions
YJ GuanLong 3x3x3 Impressions
Published: 2015/01/27
Channel: camcuber
Кубик Рубика MoYu GuanLong Color Plastic 3x3x3 AliExpress !!!
Кубик Рубика MoYu GuanLong Color Plastic 3x3x3 AliExpress !!!
Published: 2016/06/11
Channel: Покупки из Китая
Κριτική / Σχολιασμός του YJ GuanLong
Κριτική / Σχολιασμός του YJ GuanLong
Published: 2015/06/03
Channel: Kostas Papadopoulos
Τεράστιο Ξεπακετάρισμα!!! | Aolong v2, Hualong, 356, Jie Yun, Yusu, Guanlong!
Τεράστιο Ξεπακετάρισμα!!! | Aolong v2, Hualong, 356, Jie Yun, Yusu, Guanlong!
Published: 2015/09/21
Channel: Kostas Papadopoulos
YJ GuanLong Pyraminx Unboxing! +More!
YJ GuanLong Pyraminx Unboxing! +More!
Published: 2017/06/02
Channel: CrazyCubingCarol
Moyu Guanlong Unboxing and Review + Solves
Moyu Guanlong Unboxing and Review + Solves
Published: 2014/11/07
Channel: Tanzer Balimtas
YJ Guanlong Skewb Review!
YJ Guanlong Skewb Review!
Published: 2017/06/11
Channel: CrazyCubingCarol
Сравнение кубиков Рубика Smart Cube 3x3 и Moyu Guanlong
Сравнение кубиков Рубика Smart Cube 3x3 и Moyu Guanlong
Published: 2015/11/17
Channel: Крутиголов - магазин головоломок, игр и фокусов
Recenzja YJ Guanlong 3x3 i porównanie do Moyu Aolong
Recenzja YJ Guanlong 3x3 i porównanie do Moyu Aolong
Published: 2015/03/20
Channel: Mrozio
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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Guanlong
Temporal range: Late Jurassic, 160 Ma
Skeleton
Mounted skeleton (foreground)
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Saurischia
Suborder: Theropoda
Family: Proceratosauridae
Genus: Guanlong
Xu et al., 2006
Species: G. wucaii
Binomial name
Guanlong wucaii
Xu et al., 2006

Guanlong (冠龍) is a genus of extinct proceratosaurid tyrannosauroid from the Late Jurassic of China. The taxon was first described in 2006 by Xu et al., who found it to represent a new taxon related to Tyrannosaurus. The name is derived from Chinese, translating as "five colored crowned dragon". Two individuals are currently known, a partially complete adult and a nearly complete juvenile. These specimens come from the Oxfordian period, of the Chinese Shishugou Formation.

Description[edit]

Guanlong compared to a human in size

About 3 m (9.8 ft),[1][2] its fossils were found in the Shishugou Formation dating to about 160 million years ago, in the Oxfordian stage of the Late Jurassic period,[1] 92 million years before its well-known relative Tyrannosaurus. This bipedal saurischian theropod shared many traits with its descendants, and also had some unusual ones, like a large crest on its head. Unlike later tyrannosaurs, Guanlong had three long fingers on its hands. Aside from its distinctive crest, it would have resembled its close relative Dilong, and like Dilong may have had a coat of primitive feathers.[3]

Discovery[edit]

Fossil specimen

Guanlong was discovered in the Dzungaria area of China by a joint expedition by scientists from the Institute of Vertebrate Paleontology and Paleoanthropology and George Washington University, and named by Xu Xing and others in 2006. Guanlong comes from the Chinese words for "crown" and "dragon", referring to the crest. The specific epithet (五彩冠龍), wucaii (Hanyu Pinyin: wǔcǎi), means "multicoloured" and refers to the colours of rock of the Wucaiwan (五彩灣), the multi-hued badlands where the creature was found.[3][1]

Adult material

At present, Guanlong is known from two specimens. The holotype (IVPP V14531) is a reasonably complete, partially articulated adult skeleton. Another, immature specimen is known from fully articulated and nearly complete remains. The crest on the skull of the immature specimen is notably smaller and restricted to the forward portion of the snout, while the adult has a larger and more extensive crest. The crests of both specimens are thin, delicate structures that likely served as display organs, possibly for events like mating.[3][1]

Classification[edit]

Body restoration

In a recent study, Guanlong was found to be in a clade with both Proceratosaurus and Kileskus. Together they formed the family Proceratosauridae with a clade containing Sinotyrannus, Juratyrant and Stokesosaurus.[4] However, in 2014 another study was published, instead finding Stokesosaurus outside the family, which only included Guanlong, Proceratosaurus, Kileskus and Sinotyrannus.[5]

Below is the a simplified cladogram of the later analysis, from Fiorillo & Tykoski, 2014.[5]

Proceratosauridae

Kileskus




Guanlong




Proceratosaurus



Sinotyrannus





Paleobiology[edit]

Head restoration

The age of the two individuals were determined using a histological analysis. The adult was shown to have matured at 7 years of age, and died at the age of 12. The juvenile died at 6, and was still growing. As the individuals are different ages, it can be seen some of the changes that happened during growth. In the juvenile, the crest is restricted to the snout, which is proportionally shorter. The orbit is also larger, the hand comparatively larger, the lower leg is longer, the pubic bone has a less expanded end, and other features found in more derived coelurosaurs and tyrannosauroids.[3]

Guanlong possessed a cranial crest, which may have been used for display. It is similar to those of Dilophosaurus and Monolophosaurus, and like those it was highly pneumatized. However, it was more delicate than in the other genera, and also proportionately larger and more elaborate. Structures in Dilophosaurus and Monolophosaurus have also been suggested to be for species recognition, but the more gracile crest of Guanlong is more likely for display purposes.[3]

In popular culture[edit]

A number of Guanlong were featured in the 2009 film Ice Age: Dawn of the Dinosaurs. Character designer Peter de Sève stated in a 2009 interview that the dinosaur was chosen as "a twist on a Velociraptor", which is often featured in dinosaur films.[6]

Guanlong was featured in the National Geographic documentary Dino Death Trap, where the holotype was discussed, as well as its role in the ecosystem and its status as a tyrannosauroid.

See also[edit]

References[edit]

  1. ^ a b c d Csotonyi, J.T.; White, S. (2014). Paleoart of Julius Csotonyi: Dinosaurs, Sabre-Tooths and Beyond. Titan Books. p. 74. ISBN 978-1-7811-6912-4. 
  2. ^ Holtz, Thomas R. Jr. (2008) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages Supplementary Information
  3. ^ a b c d e Xu X.; Clark, J.M.; Forster, C. A.; Norell, M.A.; Erickson, G.M.; Eberth, D.A.; Jia, C. & Zhao, Q. (2006). "A basal tyrannosauroid dinosaur from the Late Jurassic of China" (PDF). Nature. 439 (7077): 715–718. doi:10.1038/nature04511. PMID 16467836. 
  4. ^ Loewen, M.A.; Irmis, R.B.; Sertich, J.J.W.; Currie, P. J.; Sampson, S. D. (2013). Evans, David C, ed. "Tyrant Dinosaur Evolution Tracks the Rise and Fall of Late Cretaceous Oceans". PLoS ONE. 8 (11): e79420. doi:10.1371/journal.pone.0079420. PMC 3819173Freely accessible. PMID 24223179. 
  5. ^ a b Fiorillo, A. R.; Tykoski, R. S. (2014). Dodson, Peter, ed. "A Diminutive New Tyrannosaur from the Top of the World". PLoS ONE. 9 (3): e91287. doi:10.1371/journal.pone.0091287. PMC 3951350Freely accessible. PMID 24621577. 
  6. ^ Wloszczyna, S. (2009). "'Ice Age' warms up to dinosaurs in third installment." USA Today, 30-JUN-2009.

External links[edit]

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