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Yutyrannus huali

Reptilia - Proceratosauridae

Taxonomy
Yutyrannus huali was named by Xu et al. (2012). Its type specimen is ZCDM V5000, a skeleton, and it is a compression preserving soft parts. Its type locality is Batuyingzi, Beipiao, which is in a Barremian/Aptian lacustrine - large shale in the Yixian Formation of China.

Synonymy list
YearName and author
2012Yutyrannus huali Xu et al. p. 92 figs. 1-2
2013Yutyrannus huali Poropat and Kear p. 109
2014Yutyrannus huali Mo et al. p. 1057
2017Yutyrannus huali Carr et al. p. 9s

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
RankNameAuthor
Diapsida()
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Theropoda()
Neotheropoda
AverostraPaul 2002
Tetanurae
Coelurosauria()
superfamilyTyrannosauroidea
familyProceratosauridae
genusYutyrannus
specieshuali

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Yutyrannus huali Xu et al. 2012
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Diagnosis
ReferenceDiagnosis
X. Xu et al. 2012A gigantic tyrannosauroid distinguishable from other tyrannosauroids by the unique presence of a rugose, highly fenestrated midline crest formed by the premaxillae and nasals, an anteroventrally projecting orbital process in the area of the junction between the frontal and jugal processes of the postorbital, a large concavity on the lateral surface of the main body of the postorbital, and an external mandibular fenestra located mostly within the surangular. Also differs from Sinotyrannus in that the morphologically lateral surface of the maxillary process of the premaxilla faces dorsally, the maxilla lacks an anterior ramus, the maxillary fenestra is posteriorly positioned, the antorbital fossa has a posteroventrally sloping ventral margin, and the ilium has a straight dorsal margin and a postacetabular process whose ventral margin bears a lobe-like flange.
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yeso
Adult length: 10 to < 100o
Adult width: 1.0 to < 10o
Adult height: 1.0 to < 10o
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: solitaryo
Environment: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: carnivoresubo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2009-01-03 20:39:15
Modified: 2009-01-03 22:39:15
Source: subo = suborder, o = order
References: Marsh 1875, Benton 1983

Age range: base of the Late/Upper Barremian to the top of the Early/Lower Aptian or 130.00000 to 122.46000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Barremian - Early/Lower Aptian130.0 - 122.46China (Liaoning) Yutyrannus huali (type locality: 126447)