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Alxasaurus elesitaiensis

Reptilia - Avetheropoda

Taxonomy
Alxasaurus elesitaiensis was named by Russell and Dong (1994). Its type specimen is IVPP 88402, a partial skeleton, and it is not a trace fossil. Its type locality is Elesitai, SCDP, which is in an Aptian lacustrine claystone in the Bayan Gobi Formation of China. It is the type species of Alxasaurus. It was considered monophyletic by Currie (2000).

Synonymy list
YearName and author
1994Alxasaurus elesitaiensis Russell and Dong p. 2108 figs. 1-15
1995Alxasaurus elesitaiensis Clark et al. p. 24A
1995Alxasaurus elesitaiensis Nessov p. 35
2000Alxasaurus elesitaiensis Currie p. 439
2003Alxasaurus elesitaiensis Rauhut p. 41
2004Alxasaurus elesitaiensis Clark et al. p. 152
2006Alxasaurus elesitaiensis Zanno p. 637
2007Alxasaurus elesitaiensis Li et al. p. 545
2007Alxasaurus elesitaiensis Turner et al. p. 26
2009Alxasaurus elesitaiensis Zanno et al. p. S4
2010Alxasaurus elesitaiensis Zanno p. 196
2012Alxasaurus elestaiensis Qian et al. p. 341
2013Alxasaurus elesitaiensis Pu et al.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
RankNameAuthor
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Theropoda()
Neotheropoda
AverostraPaul 2002
Tetanurae
orderAvetheropoda
suborderCoelurosauria
Maniraptoriformes
TherizinosauriaRussell 1997
superfamilyTherizinosauroidea
genusAlxasaurus
specieselesitaiensis

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.

Diagnosis
No diagnoses are available
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: terrestrialsuperf
Locomotion: actively mobileo
Life habit: ground dwellingsuperf
Diet: herbivoresuperf
Reproduction: oviparoussuperf
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2005-09-11 17:03:44
Modified: 2005-09-11 19:03:44
Source: superf = superfamily, o = order
References: Kiessling 2004, Holtz et al. 2000, Marsh 1875

Age range: Aptian or 125.00000 to 113.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Aptian125.0 - 113.0China (Nei Mongol) Alxasaurus elesitaiensis (type locality: 46881)