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🚩😢ARK'S LAST DINO! Yutyrannus - Everything you need to know! (Ark: Survival Evolved update 258)
Published: 2017/05/30
Channel: ThickFreedom
YUTYRANNUS TAMING & BREEDING! FEAR & COURAGE ROAR TO TAME CARNOS! - Ark: Survival Evolved [S3E113]
YUTYRANNUS TAMING & BREEDING! FEAR & COURAGE ROAR TO TAME CARNOS! - Ark: Survival Evolved [S3E113]
Published: 2017/05/30
Channel: Syntac
ARK Survival Evolved - YUTYRANNUS VS REX, HOW TO TAME & YUTY SPECIAL ROAR, UPDATE 258 ( Gameplay )
ARK Survival Evolved - YUTYRANNUS VS REX, HOW TO TAME & YUTY SPECIAL ROAR, UPDATE 258 ( Gameplay )
Published: 2017/05/30
Channel: Anthomnia
Paleo Profile - Yutyrannus
Paleo Profile - Yutyrannus
Published: 2015/04/04
Channel: TREY the Explainer
🚩 ARK YUTYRANNUS TAMING AND LOCATION! YUTYRANNUS IS GAME CHANGING! ARk Survival Evolved Patch 258
🚩 ARK YUTYRANNUS TAMING AND LOCATION! YUTYRANNUS IS GAME CHANGING! ARk Survival Evolved Patch 258
Published: 2017/05/30
Channel: TagBackTV
ARK: YUTYRANNUS TAMING & REVIEW! Patch 258 [Where they are & Why you need them]
ARK: YUTYRANNUS TAMING & REVIEW! Patch 258 [Where they are & Why you need them]
Published: 2017/05/30
Channel: RockyXGaming
Yutyrannus chase resounded
Yutyrannus chase resounded
Published: 2016/12/09
Channel: Melvin Spiegelman
ARK: Survival Evolved - YUTYRANNUS AND TOXIC ARGY! E25 ( Modded Ark Eternal )
ARK: Survival Evolved - YUTYRANNUS AND TOXIC ARGY! E25 ( Modded Ark Eternal )
Published: 2017/06/06
Channel: Sl1pg8r - Daily Stuff and Things!
YUTYRANNUS HATCHENING! YUTYRANNUS COLOR MUTATIONS! Ark Survival Breeding Evolved
YUTYRANNUS HATCHENING! YUTYRANNUS COLOR MUTATIONS! Ark Survival Breeding Evolved
Published: 2017/07/28
Channel: TagBackTV
ARK Survival Evolved - THE FINAL SHOWDOWN! YUTY VS REX, YUTYRANNUS VS ALLO & THERI ( Gameplay )
ARK Survival Evolved - THE FINAL SHOWDOWN! YUTY VS REX, YUTYRANNUS VS ALLO & THERI ( Gameplay )
Published: 2017/05/31
Channel: Anthomnia
👀 ARK YUTYRANNUS HOW TO TAME, BIG ROAR TEST & MORE!! Ark Survival Evolved Update 258
👀 ARK YUTYRANNUS HOW TO TAME, BIG ROAR TEST & MORE!! Ark Survival Evolved Update 258
Published: 2017/05/31
Channel: Fresonis
Yutyrannus vs Spinosaurus and Brontosaurus || ARK: Survival Evolved || Cantex
Yutyrannus vs Spinosaurus and Brontosaurus || ARK: Survival Evolved || Cantex
Published: 2017/06/10
Channel: Cantex
RANDOMLY MUTATED YUTYRANNUS! BREEDING + IMPRINTING - Ark: Survival Evolved [S3E117]
RANDOMLY MUTATED YUTYRANNUS! BREEDING + IMPRINTING - Ark: Survival Evolved [S3E117]
Published: 2017/05/31
Channel: Syntac
Patch 258: Hyaenodon, Megatherium, Megalania, Hesperornis, Yutyrannus, and More!
Patch 258: Hyaenodon, Megatherium, Megalania, Hesperornis, Yutyrannus, and More!
Published: 2017/05/29
Channel: ARK: Survival Evolved
SCORCH EARTH YUTYRANNUS! HOW TO TAME AND WHERE TO FIND! Ark Survival Scorched Earth Gameplay
SCORCH EARTH YUTYRANNUS! HOW TO TAME AND WHERE TO FIND! Ark Survival Scorched Earth Gameplay
Published: 2017/05/31
Channel: TagBackTV
YUTYRANNUS ARRIVES! || Jurassic World - The Game - Ep262 HD
YUTYRANNUS ARRIVES! || Jurassic World - The Game - Ep262 HD
Published: 2017/03/21
Channel: TheGamingBeaver
S5E3 Ultimate Raid Defense with Yutyrannus and Armored Greenhouse Build! ARK: Survival Evolved PVP
S5E3 Ultimate Raid Defense with Yutyrannus and Armored Greenhouse Build! ARK: Survival Evolved PVP
Published: 2017/06/04
Channel: Nerd Parade
ART OF ARK - YUTYRANNUS VS T-REX!
ART OF ARK - YUTYRANNUS VS T-REX!
Published: 2017/06/01
Channel: Diesel Plays
ARK: Survival Evolved Ep.160 - YUTYRANNUS DINOSAURS TAME ATTEMPTS!!! (Modded Dinosaurs Gameplay)
ARK: Survival Evolved Ep.160 - YUTYRANNUS DINOSAURS TAME ATTEMPTS!!! (Modded Dinosaurs Gameplay)
Published: 2017/08/19
Channel: TheWaffleGalaxy
ARK: SURVIVAL EVOLVED - NEW YUTYRANNUS & MEGATHERIUM TAMED !!! E32 (ARK UPDATE ETERNAL)
ARK: SURVIVAL EVOLVED - NEW YUTYRANNUS & MEGATHERIUM TAMED !!! E32 (ARK UPDATE ETERNAL)
Published: 2017/05/31
Channel: KingDaddyDMAC
ARK Survival Evolved - YUTYRANNUS REVEALED IN GAME, TEK MEGALODON VOLCANO ACTIVE! - Dev Kit Gameplay
ARK Survival Evolved - YUTYRANNUS REVEALED IN GAME, TEK MEGALODON VOLCANO ACTIVE! - Dev Kit Gameplay
Published: 2017/04/28
Channel: Anthomnia
💀🏴RIP ARK 2017! 258 WILDCARD
💀🏴RIP ARK 2017! 258 WILDCARD'S LAST UPDATE! Yutyrannus INSIDER Info Leaked! Ark: Survival Evolved
Published: 2017/04/13
Channel: ThickFreedom
How To Tame A Yutyrannus Solo(Easy Taming Pen)- Ark Survival Evolved Xbox One- Kamz25
How To Tame A Yutyrannus Solo(Easy Taming Pen)- Ark Survival Evolved Xbox One- Kamz25
Published: 2017/06/19
Channel: Kamz 25
COMO TAMEAR A TU YUTYRANNUS | Guia Español | Ark: Survival Evolved
COMO TAMEAR A TU YUTYRANNUS | Guia Español | Ark: Survival Evolved
Published: 2017/06/26
Channel: PlayiNkZ - Ark: Survival Evolved
Yutyrannus vs Allosaurus (and Rex?) || ARK: Survival Evolved
Yutyrannus vs Allosaurus (and Rex?) || ARK: Survival Evolved
Published: 2017/05/30
Channel: Cantex
ARK‬: Survival Evolved [GUIDE/Deutsch] ** Yutyrannus zähmen + Buff ** Patch 258
ARK‬: Survival Evolved [GUIDE/Deutsch] ** Yutyrannus zähmen + Buff ** Patch 258
Published: 2017/05/31
Channel: Dextro23 +
50 YUTYRANNUS vs 1 GIGANOTOSAURUS !!! giganoto vs yuty ! Ark survival evolved DINO BATALLAS
50 YUTYRANNUS vs 1 GIGANOTOSAURUS !!! giganoto vs yuty ! Ark survival evolved DINO BATALLAS
Published: 2017/06/05
Channel: Aquiles Magno
ARK | THE CENTER | YUTYRANNUS LOCATION, TAMING,  AND REVIEW | DINO BOOSTER!
ARK | THE CENTER | YUTYRANNUS LOCATION, TAMING, AND REVIEW | DINO BOOSTER!
Published: 2017/05/31
Channel: Piper Viper
Yutyrannus vs Megalosaurus || ARK: Survival Evolved || Cantex
Yutyrannus vs Megalosaurus || ARK: Survival Evolved || Cantex
Published: 2017/07/16
Channel: Cantex
Yutyrannus Tribute - Now or Never
Yutyrannus Tribute - Now or Never
Published: 2017/05/05
Channel: Mr Fredbear golden
NEW YUTYRANNUS IN ARK!! - ARK Survival Evolved
NEW YUTYRANNUS IN ARK!! - ARK Survival Evolved
Published: 2017/05/30
Channel: TheGamingBeaver
TAMING A HIGH LEVEL YUTYRANNUS - Ark: RAGNAROK [DLC Gameplay E31]
TAMING A HIGH LEVEL YUTYRANNUS - Ark: RAGNAROK [DLC Gameplay E31]
Published: 2017/07/28
Channel: Syntac
ARK Survival Evolved La vida del Yutyrannus una bestia nueva puebla ARK gameplay español
ARK Survival Evolved La vida del Yutyrannus una bestia nueva puebla ARK gameplay español
Published: 2017/08/02
Channel: Code Cod
Yutyrannus vs Daeodon: Roar-Ability VS Healing-Ability || ARK: Survival Evolved || Cantex
Yutyrannus vs Daeodon: Roar-Ability VS Healing-Ability || ARK: Survival Evolved || Cantex
Published: 2017/07/15
Channel: Cantex
YUTYRANNUS DOSSIER! NEW DINO WITH A ROAR THAT CAN SCARE ANYTHING! - Ark: Survival Evolved
YUTYRANNUS DOSSIER! NEW DINO WITH A ROAR THAT CAN SCARE ANYTHING! - Ark: Survival Evolved
Published: 2017/04/11
Channel: Syntac
HOW TO MAKE YOUR DINOS STRONGER!! - YUTYRANNUS TAMING in ARK Survival Evolved - ARK NEW UPDATE 258
HOW TO MAKE YOUR DINOS STRONGER!! - YUTYRANNUS TAMING in ARK Survival Evolved - ARK NEW UPDATE 258
Published: 2017/05/30
Channel: Starsnipe - Daily Videos
Yutyrannus vs Therizinosaurus || ARK: Survival Evolved || Cantex
Yutyrannus vs Therizinosaurus || ARK: Survival Evolved || Cantex
Published: 2017/06/08
Channel: Cantex
FEEDING YUTYRANNUS TO MAX LVL 40! - Jurassic World The Game - *TOURNAMENT DINO* HD
FEEDING YUTYRANNUS TO MAX LVL 40! - Jurassic World The Game - *TOURNAMENT DINO* HD
Published: 2017/01/17
Channel: LPGozzzi
YUTYRANNUS COLOR MUTATION! ARK SURVIVAL BREEDING! ARK Survival Scoreched Earth   Gaming Evolved
YUTYRANNUS COLOR MUTATION! ARK SURVIVAL BREEDING! ARK Survival Scoreched Earth Gaming Evolved
Published: 2017/06/01
Channel: TagBackTV
Yutyrannus - Nowy Predator - ARK Survival Evolved PL Update 258
Yutyrannus - Nowy Predator - ARK Survival Evolved PL Update 258
Published: 2017/06/01
Channel: RizzeR
ARK Survival Evolved - EPIC DOUBLE YUTY TAMING, YUTYRANNUS BREEDING & BABIES ( Gameplay )
ARK Survival Evolved - EPIC DOUBLE YUTY TAMING, YUTYRANNUS BREEDING & BABIES ( Gameplay )
Published: 2017/05/30
Channel: Anthomnia
Yutyrannus vs Meganeura @_@
Yutyrannus vs Meganeura @_@
Published: 2017/05/26
Channel: Psycho Rex
EL EJERCITO DE YUTYRANNUS Y LOS RUGIDOS DEL TERROR | ARK #70
EL EJERCITO DE YUTYRANNUS Y LOS RUGIDOS DEL TERROR | ARK #70
Published: 2017/08/06
Channel: TOTY23DIEZ
Dinosaur Simulator (Roblox) ft- Spartan - Dupla Carnívora, Caçadores "Yutyrannus" - (#42) (PT-BR)
Dinosaur Simulator (Roblox) ft- Spartan - Dupla Carnívora, Caçadores "Yutyrannus" - (#42) (PT-BR)
Published: 2017/08/17
Channel: Fera Gaming
WORLDS FIRST YUTYRANNUS HYBRID!! - Unreleased Hybrid Yudon in Jurassic World The Game - HD
WORLDS FIRST YUTYRANNUS HYBRID!! - Unreleased Hybrid Yudon in Jurassic World The Game - HD
Published: 2017/07/26
Channel: LPGozzzi
Yutyrannus vs Deinocheirus | Dinosaur Claymation Fight
Yutyrannus vs Deinocheirus | Dinosaur Claymation Fight
Published: 2016/10/08
Channel: Egor Morgunov
YUTYRANNUS & MEGATHERIUM TAMED!:: ARK: Eternal Fear :: Ep 33
YUTYRANNUS & MEGATHERIUM TAMED!:: ARK: Eternal Fear :: Ep 33
Published: 2017/05/31
Channel: xBCrafted
ARK: Survival Evolved - YUTYRANNUS TAMING, BABY YUTY EGG, PATCH 258 #25 - Pugnacia Modded Gameplay
ARK: Survival Evolved - YUTYRANNUS TAMING, BABY YUTY EGG, PATCH 258 #25 - Pugnacia Modded Gameplay
Published: 2017/05/31
Channel: MeatyLock
ARK YUTYRANNUS VS REX THE PERFECT FIGHT! Ark Survival Evolved Dino Battles Yuty vs T Rex!
ARK YUTYRANNUS VS REX THE PERFECT FIGHT! Ark Survival Evolved Dino Battles Yuty vs T Rex!
Published: 2017/06/01
Channel: Fresonis
ARK Survival Evolved - GODZILLA VS SPINEBREAKER THE HOPE ENDER, YUTYRANNUS ROAR EFFECT? ( Gameplay )
ARK Survival Evolved - GODZILLA VS SPINEBREAKER THE HOPE ENDER, YUTYRANNUS ROAR EFFECT? ( Gameplay )
Published: 2017/04/18
Channel: Anthomnia
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WIKIPEDIA ARTICLE

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Yutyrannus
Temporal range: Early Cretaceous, 124.6 Ma
Laika ac Dino Kingdom 2012 (7882288828).jpg
Restored skeletons mounted in fighting poses
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Saurischia
Suborder: Theropoda
Superfamily: Tyrannosauroidea
Genus: Yutyrannus
Xu et al., 2012
Species: Y. huali
Binomial name
Yutyrannus huali
Xu et al., 2012

Yutyrannus (meaning "feathered tyrant") is a genus of tyrannosauroid dinosaurs which contains a single known species, Yutyrannus huali. This species lived during the early Cretaceous period in what is now northeastern China.[1] Three fossils of Y. huali—all found in the rock beds of Liaoning Province—are currently the largest known dinosaur specimens that preserve direct evidence of feathers.[2]

Discovery and naming[edit]

Fossils on display

Yutyrannus huali was named and scientifically described in 2012 by Xu Xing et al. The name is derived from Mandarin Chinese (羽, "feather") and Latinised Greek tyrannos (τύραννος, "tyrant"), a reference to the classification as a feathered member of the Tyrannosauroidea. The specific name consists of the Mandarin huáli (华丽(simplified, 華麗 traditional, "beautiful"), in reference to the beauty of the plumage.[1]

Yutyrannus is known from three nearly complete fossil specimens (an adult, a subadult and a juvenile) acquired from a fossil dealer who claimed all three had their provenance in a single quarry at Batuyingzi in Liaoning Province, China. They thus probably were found in a layer of the Yixian Formation, dating from the Aptian, approximately 125 million years old.[1] The specimens had been cut into pieces about the size of bath mats, which could be carried by two people.[3]

The holotype, ZCDM V5000, is the largest specimen, consisting of a nearly complete skeleton with skull, compressed on a slab, of an adult individual. The paratypes are the two other specimens: ZCDM V5001 consisting of a skeleton of a smaller individual and part of the same slab as the holotype; and ELDM V1001, a juvenile estimated to have been eight years younger than the holotype. The fossils are part of the collections of the Zhucheng Dinosaur Museum and the Erlianhaote Dinosaur Museum but have been prepared by the Institute of Vertebrate Paleontology and Paleoanthropology, under guidance of Xu.[1]

Description[edit]

Size comparison with a human

Yutyrannus were gigantic bipedal predators. The holotype and oldest known specimen has a length of 9 metres (30 ft) and an estimated weight of about 1,414 kg (3,117 lb).[1] Its skull has an estimated length of 905 millimetres (35.6 in). The skulls of the paratypes are 80 centimetres (31 in) and 63 centimetres (25 in) long and their weights have been estimated at 596 kilograms (1,314 lb) and 493 kilograms (1,087 lb) respectively.[1]

The describers established some diagnostic traits of Yutyrannus, in which it differs from its direct relatives. The snout features a high midline crest, formed by the nasals and the premaxillae and which is covered by large pneumatic recesses. The postorbital has a small secondary process, jutting into the upper hind corner of the eye socket. The outer side of the main body of the postorbital is hollowed out. In the lower jaw, the external mandibular fenestra, the main opening in the outer side, is mainly located in the surangular.[1]

Feathers[edit]

Artist's restoration based on ELDM V1001

While it has been known since 2004, upon the description of Dilong, that at least some tyrannosauroids possessed filamentous "stage 1" feathers,[4] according to the feather typology of Richard Prum, Y. huali is currently the largest known species of dinosaur with direct evidence of feathers, forty times heavier than the previous record holder, Beipiaosaurus.[1][5] The feathers were long, up to 20 centimetres (7.9 in), and filamentous. Because the quality of the preservation was low, it could not be established whether the filaments were simple or compound, broad or narrow. The feathers covered various parts of the body. With the holotype they were present on the pelvis and the foot. Specimen ZCDM V5000 had feathers on the tail pointing backwards under an angle of 30° with the tail axis. The smallest specimen showed 20 centimetre (7.9 inch)-long filaments on the neck and 16 centimetre (6.3 inch)-long feathers at the upper arm.[1]

Tail fragment with feather traces

Based on the distribution of the feathers, they may have covered the whole body and served in regulating temperature, given the rather cold climate of the Yixian with an average annual temperature of 10 °C (50 °F). Alternatively, if they were restricted to the regions in which they were found, they may have served as display structures. In addition, the two adult specimens had distinctive, "wavy" crests on their snouts, on both sides of a high central crest, which were probably used for display. The presence of feathers on a large basal tyrannosauroid suggests the possibility that later tyrannosaurids were also feathered, even when adult, despite their size.[1] However, scaly skin impressions have been reported from various Late Cretaceous tyrannosaurids (such as Gorgosaurus, Tarbosaurus and Tyrannosaurus) on parts of the body where Yutyrannus was feathered. Since there is no positive evidence for plumage in tyrannosaurids, some researchers have suggested they may have evolved scales secondarily.[6] If scaly skin was the dominant epidermal trait of later genera, then the extent and nature of the integumentary covering may have changed over time in response to body size, a warmer climate, or other factors.[1]

Phylogeny[edit]

Close up of snout

To date, all phylogenetic analyses of Yutyrannus' relationships have classified it in the group Tyrannosauroidea. An initial analysis of its relationship to other tyrannosauroids showed that it was more primitive than Eotyrannus in the evolutionary tree, but more advanced than tyrannosauroids such as Dilong, Guanlong and Sinotyrannus. Primitive traits relative to advanced tyrannosaurs included long forelimbs with three fingers and a short foot which was not specialized for running. Advanced traits included a large and deep skull, the outer side of the premaxilla having rotated upwards, a large cuneiform horn on the lacrimal in front of the eye socket, a postorbital process on the back rim of the eye socket, the squamosal and the quadratojugal forming a large process on the back rim of the infratemporal fenestra, short dorsal vertebrae, an ilium with a straight upper rim and an appending lobe, a large pubic foot and a slender ischium.[1]

In 2016, a phylogenetic analysis conducted by Thomas Carr and Stephen Brusatte re-examined the evolutionary relationships of the Tyrannosauroidea. Their analysis found Yutyrannus to be more basal than Dilong, placing it within the family Proceratosauridae.[7]

Paleobiology[edit]

The knowledge of specimens representing various different ages has allowed paleontologists to determine the ontogeny, or change during growth, of this species. During growth the lower legs, feet, ilia and forelimbs became relatively smaller. The skull, on the other hand, grew more robust and deeper.[1]

See also[edit]

References[edit]

  1. ^ a b c d e f g h i j k l m Xu, X.; Wang, K.; Zhang, K.; Ma, Q.; Xing, L.; Sullivan, C.; Hu, D.; Cheng, S.; Wang, S.; et al. (2012). "A gigantic feathered dinosaur from the Lower Cretaceous of China" (PDF). Nature. 484 (7392): 92–95. PMID 22481363. doi:10.1038/nature10906. Archived from the original (PDF) on 17 April 2012. 
  2. ^ Wilford, John N (4 April 2012). "Bus-Size Dinosaurs, as Fuzzy as Chicks". The New York Times. 
  3. ^ Zimmer, Carl (4 April 2012). "The One-Ton Turkey: Further Adventures in Slow-Cooked Science". Discover. Retrieved 7 April 2012.  (with illustrations)
  4. ^ Naish, Darren (4 April 2012). "There are giant feathered tyrannosaurs now...right?". Scientific American. Retrieved 5 April 2012. 
  5. ^ Welsh, Jennifer (5 April 2012). "Humongous fuzzy dinosaur unearthed in China". The Christian Science Monitor. Retrieved 5 April 2012. 
  6. ^ Switek, B. 2013. Palaeontology: The truth about T. rex. Nature News, 23 October 2013.
  7. ^ Brusatte, S.L. and Carr, T.D. 2016. The phylogeny and evolutionary history of tyrannosauroid dinosaurs. Scientific Reports, 6(20252). doi:10.1038/srep20252

External links[edit]

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