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Sinotyrannus - Video Learning - WizScience.com
Sinotyrannus - Video Learning - WizScience.com
Published: 2015/09/08
Channel: Wiz Science™
Sinotyrannus Vs Quetzalcoatlus!!
Sinotyrannus Vs Quetzalcoatlus!!
Published: 2016/03/28
Channel: Behemothic
BRS3 Spinosaurus Vs Sinotyrannus
BRS3 Spinosaurus Vs Sinotyrannus
Published: 2017/06/01
Channel: Sebastian Reyna Rivas
my dinosaur [sinotyrannus]-fight scene   [T-REX]
my dinosaur [sinotyrannus]-fight scene [T-REX]
Published: 2016/11/07
Channel: T- REX[티렉스] - dinosaur card game
Tribute to Sinotyrannus
Tribute to Sinotyrannus
Published: 2010/02/05
Channel: Rapator2
The Chinese Tyrant!!: TREX the King of dinosaurus arcade Sinotyrannus gameplay
The Chinese Tyrant!!: TREX the King of dinosaurus arcade Sinotyrannus gameplay
Published: 2017/04/03
Channel: Blueproductions dino stuff!
PDBA-  the revival: Sinotyrannus vs Megalosaurus
PDBA- the revival: Sinotyrannus vs Megalosaurus
Published: 2015/09/27
Channel: SpinoDragon Productions
Pivot Battle Arena: Sinotyrannus vs Kaprosuchus
Pivot Battle Arena: Sinotyrannus vs Kaprosuchus
Published: 2015/07/12
Channel: SpinoDragon Productions
Sinotyrannus Vs Human
Sinotyrannus Vs Human
Published: 2017/06/14
Channel: Behemothic
티렉스(T-REX) 카드 게임- 대결하기- 3탄 레어카드 " 기가노트사우루스"
티렉스(T-REX) 카드 게임- 대결하기- 3탄 레어카드 " 기가노트사우루스"
Published: 2017/07/20
Channel: T- REX[티렉스] - dinosaur card game
Tyrannosauroid Tribute
Tyrannosauroid Tribute
Published: 2012/04/06
Channel: CKprimeval07
Nothronychus - Planet Dinosaur - Episode 6 - BBC One
Nothronychus - Planet Dinosaur - Episode 6 - BBC One
Published: 2011/10/20
Channel: BBC
티렉스카드게임(t-rex dinosaur card game)-대결(fight)-내공룡 티라노사우루스(tyrannosaurus)
티렉스카드게임(t-rex dinosaur card game)-대결(fight)-내공룡 티라노사우루스(tyrannosaurus)
Published: 2016/10/15
Channel: T- REX[티렉스] - dinosaur card game
Albertosaurus Vs Sinotyrannus
Albertosaurus Vs Sinotyrannus
Published: 2017/01/30
Channel: Sebastian Reyna Rivas
dinosaur card game- my dinosaur monolophosaurus fights the opponent dinosaur
dinosaur card game- my dinosaur monolophosaurus fights the opponent dinosaur
Published: 2016/10/29
Channel: 공룡왕카드게임 DINOSAUR CARD GAME
TLDF-Suchomimus vs Barionyx
TLDF-Suchomimus vs Barionyx
Published: 2017/05/02
Channel: Psycho Rex
티렉스[ T-REX] 카드게임 티라노사우루스VS유타랍토르
티렉스[ T-REX] 카드게임 티라노사우루스VS유타랍토르
Published: 2016/10/04
Channel: T- REX[티렉스] - dinosaur card game
BRS3 Allosaurus Vs Nothronychus
BRS3 Allosaurus Vs Nothronychus
Published: 2017/06/15
Channel: Sebastian Reyna Rivas
Sinotyrannus vs barasuchus 0001
Sinotyrannus vs barasuchus 0001
Published: 2016/07/18
Channel: Tyrannosaurus Fan
BRS3 Lythronax Rampage (PACAK2017)(READ DESC)
BRS3 Lythronax Rampage (PACAK2017)(READ DESC)
Published: 2017/05/09
Channel: Sebastian Reyna Rivas
Acrocanthosaurus Rampage
Acrocanthosaurus Rampage
Published: 2016/04/09
Channel: Behemothic
Acrocanthosaurus Vs  Sinotyrannus (READ DESCRIPTION)
Acrocanthosaurus Vs Sinotyrannus (READ DESCRIPTION)
Published: 2017/03/06
Channel: JosephGGonzales
Sinotyrannus vs Stegosaurus
Sinotyrannus vs Stegosaurus
Published: 2014/11/19
Channel: Titra Diane Gainey Hamilton
Sinotyrannus(read description)
Sinotyrannus(read description)
Published: 2015/04/03
Channel: Titra Diane Gainey Hamilton
BRS4 Carcharodontosaurus Vs Giganotosaurus Vs Sauroniops
BRS4 Carcharodontosaurus Vs Giganotosaurus Vs Sauroniops
Published: 2017/09/13
Channel: Sebastian Reyna Rivas
Baby sinotyrannus vs protoavis
Baby sinotyrannus vs protoavis
Published: 2016/11/03
Channel: Cayo Animation
Dinosaur Carnage2!!
Dinosaur Carnage2!!
Published: 2016/02/25
Channel: Behemothic
Sub Aldut T rex VS Sinotyrannus
Sub Aldut T rex VS Sinotyrannus
Published: 2015/06/05
Channel: Acheroraptor&Edmontosaurus Productions
dinoking[Dinosaur Card Game]-my dinosaur alioramus fights with skill
dinoking[Dinosaur Card Game]-my dinosaur alioramus fights with skill
Published: 2016/10/27
Channel: 공룡왕카드게임 DINOSAUR CARD GAME
OBM - Dinosaur - Sinotyrannus
OBM - Dinosaur - Sinotyrannus
Published: 2016/12/30
Channel: Our Best Moments
BRS3 Kentrosaurus Vs Nanotyrannus
BRS3 Kentrosaurus Vs Nanotyrannus
Published: 2017/06/07
Channel: Sebastian Reyna Rivas
Necro
Necro's Dinosaur Sound FX Fest; Week 3
Published: 2016/11/22
Channel: NecroRaptor101
Giant Yeti Rampage
Giant Yeti Rampage
Published: 2017/07/03
Channel: Sebastian Reyna Rivas
BRS3  Rugops Ramage
BRS3 Rugops Ramage
Published: 2017/03/23
Channel: Sebastian Reyna Rivas
the  roars of Theropods
the roars of Theropods
Published: 2015/01/29
Channel: Titra Diane Gainey Hamilton
spinosaurus vs torvosaurus
spinosaurus vs torvosaurus
Published: 2017/06/14
Channel: Behemothic
CDG
CDG
Published: 2017/05/28
Channel: SpinoBro14
Lythronax Rampage
Lythronax Rampage
Published: 2017/08/20
Channel: DinoCoat the Gaming Tyrannosaur
Deinorexus Golden and GaRi VS Joaquin Spinoscool666 and Syrus Drayton
Deinorexus Golden and GaRi VS Joaquin Spinoscool666 and Syrus Drayton
Published: 2017/08/22
Channel: DinoCoat the Gaming Tyrannosaur
Proceratosauridae - Video Learning - WizScience.com
Proceratosauridae - Video Learning - WizScience.com
Published: 2015/09/08
Channel: Wiz Science™
BRS3 Suchomimus Vs Shantungosaurus
BRS3 Suchomimus Vs Shantungosaurus
Published: 2017/06/03
Channel: Sebastian Reyna Rivas
Tribute to Microraptor
Tribute to Microraptor
Published: 2010/01/12
Channel: Rapator2
Trex Vs Carcha, Acro Vs Tyranno, Carcha Vs Sucho!
Trex Vs Carcha, Acro Vs Tyranno, Carcha Vs Sucho!
Published: 2016/03/13
Channel: Behemothic
Carcharodontosaurus Vs Tarbosaurus!!
Carcharodontosaurus Vs Tarbosaurus!!
Published: 2016/03/02
Channel: Behemothic
티렉스 플레이 (시아모 티라누스)
티렉스 플레이 (시아모 티라누스)
Published: 2016/10/15
Channel: 벚꽃나무
Pivot Battle Arena: Quetzalcoatlus VS Therizinosaurus [Resounded]
Pivot Battle Arena: Quetzalcoatlus VS Therizinosaurus [Resounded]
Published: 2017/02/28
Channel: CarnoDragon Fire Blast
티렉스(t-rex)게임(dino card game)-대결(fight)-혼자하기-펜타케라톱스(with pentaceratops)
티렉스(t-rex)게임(dino card game)-대결(fight)-혼자하기-펜타케라톱스(with pentaceratops)
Published: 2016/10/12
Channel: T- REX[티렉스] - dinosaur card game
BRS4 Rugops Vs Sinosaurus
BRS4 Rugops Vs Sinosaurus
Published: 2017/07/31
Channel: Sebastian Reyna Rivas
BRS3 Allosaurus Vs Bistahierversor
BRS3 Allosaurus Vs Bistahierversor
Published: 2017/04/23
Channel: Sebastian Reyna Rivas
티렉스[T-REX]카드게임 마법[Magic] - 블리저드[Blizzard]
티렉스[T-REX]카드게임 마법[Magic] - 블리저드[Blizzard]
Published: 2016/10/07
Channel: T- REX[티렉스] - dinosaur card game
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WIKIPEDIA ARTICLE

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Sinotyrannus
Temporal range: Early Cretaceous, 120 Ma
Sinotyrannus KZV 001.png
Diagram of known fossil remains in grey
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Saurischia
Suborder: Theropoda
Family: Proceratosauridae
Genus: Sinotyrannus
Ji et al., 2009
Species: S. kazuoensis
Binomial name
Sinotyrannus kazuoensis
Ji et al., 2009

Sinotyrannus (meaning "Chinese tyrant") is a genus of large basal proceratosaurid[1] dinosaur, a relative of tyrannosaurids which flourished in North America and Asia during the Jurassic and early Cretaceous periods. Sinotyrannus is known from a single incomplete fossil specimen including a partial skull, from the Early Cretaceous Jiufotang Formation of Liaoning, China. Though it is not much younger than primitive tyrannosauroids such as Dilong, it is similar in size to later forms such as Tyrannosaurus. It was much larger than contemporary tyrannosauroids; reaching a total estimated length of 9–10 m (30–33 ft), it is the largest known theropod from the Jiufotang Formation. The type species is S. kazuoensis, described by Ji et al., in 2009.[2]

Description[edit]

The holotype of Sinotyrannus is KZV-001, a disarticulated partial skeleton including the front portion of the skull, three dorsal vertebrae, the incomplete ilia, three articulated manual phalanges (including an ungual), and other fragmentary bones. [2]

The preserved cranial elements include the premaxillae, dentary, and anterior portions of the maxillae and nasals. The dorsal margin of the maxilla is unusually concave unlike the convex condition in tyrannosaurids. The nares are large and elliptical, supporting its relation to proceratosauridae. The dentary gradually curves upwards as it approaches its front edge. Many teeth are preserved attached to the maxillae, with a roughly equal number of denticles on each side, similarly to those of tyrannosaurids. Sinotyrannus could perceivably have had a tall nasal crest like other proceratosaurids, although not enough of its nasals are preserved to be certain.

The three preserved vertebrae have very tall neural spines. The proportions of the preserved manual phalanges support the idea that they belong to the second finger, and the ungual has a deep groove on each side. The ilia are mainly present as molds, with the mold of the external side of the left ilium being the most complete. The preacetabular blade is short and wide, with a massive pubic peduncle, while the postacetabular blade is longer and thinner, with a triangular ischial peduncle. These traits of the ilia differentiate it from more advanced tyrannosauroids such as the tyrannosaurids.

Sinotyrannus was among the largest basal tyrannosauroids known, repudiating the previously presumed trend that tyrannosauroids gradually increased in size throughout the Cretaceous period from small basal forms like Dilong to advanced apex predators such as Tyrannosaurus.

Classification[edit]

The original description of Sinotyrannus proposed that it could have been the earliest tyrannosaurid due to its large size,[2] but subsequent analyses place it as a proceratosaurid tyrannosauroid. It is considered to be part of a clade containing Juratyrant and Stokesosaurus, as they all reputedly share a narrow preacetabular notch.[3] A 2016 analysis instead placed Juratyrant and Stokesosaurus outside of proceratosauridae and proposed that Sinotyrannus is a sister taxon of Yutyrannus within proceratosauridae.[4]

Below is a cladogram by Loewen et al. in 2013.[3]

Estimated size of Sinotyrannus, compared to a human.
Tyrannosauroidea
Proceratosauridae


Proceratosaurus bradleyi



Kileskus aristotocus



Guanlong wucaii





Sinotyrannus kazuoensis




Juratyrant langhami



Stokesosaurus clevelandi







Dilong paradoxus




Eotyrannus lengi




Bagaraatan ostromi




Raptorex kriegsteini




Dryptosaurus aquilunguis





Alectrosaurus olseni



Xiongguanlong baimoensis





Appalachiosaurus montgomeriensis





Alioramus altai



Alioramus remotus




Tyrannosauridae











See also[edit]

References[edit]

  1. ^ Brusatte, S. L.; Norell, M. A.; Carr, T. D.; Erickson, G. M.; Hutchinson, J. R.; Balanoff, A. M.; Bever, G. S.; Choiniere, J. N.; et al. (2010). "Tyrannosaur paleobiology: new research on ancient exemplar organisms". Science. 329 (5998): 1481–1485. PMID 20847260. doi:10.1126/science.1193304. 
  2. ^ a b c Ji, Q.; Ji, S.-A.; Zhang, L.-J. (2009). "First large tyrannosauroid theropod from the Early Cretaceous Jehol Biota in northeastern China" (PDF). Geological Bulletin of China. 28 (10): 1369–1374. 
  3. ^ a b 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. PMC 3819173Freely accessible. PMID 24223179. doi:10.1371/journal.pone.0079420. 
  4. ^ Brusatte, Stephen L.; Carr, Thomas D. (2016-02-02). "The phylogeny and evolutionary history of tyrannosauroid dinosaurs". Scientific Reports. 6 (1). ISSN 2045-2322. doi:10.1038/srep20252. 

External links[edit]

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