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Enigmosaurus mongoliensis

Reptilia - Therizinosauridae

Taxonomy
Enigmosaurus mongoliensis was named by Barsbold and Perle (1983). Its type specimen is PST GIN AN MNP 100/84 and is a 3D body fossil. Its type locality is Khara Khutul (PIN coll. 5268) [MPE/SMPE], which is in a Cenomanian/Santonian terrestrial horizon in the Baynshire Formation of Mongolia. It is the type species of Enigmosaurus. It was considered monophyletic by Currie (2000).

Synonymy list
YearName and author
1983Enigmosaurus mongoliensis Barsbold and Perle p. 107
1992Enigmosaurus mongoliensis Currie p. 243
2000Enigmosaurus mongoliensis Currie p. 440
2002Enigmosaurus mongoliensis Xu et al. p. 237
2003Enigmosaurus mongoliensis Rauhut p. 41
2004Enigmosaurus mongoliensis Clark et al. p. 152
2009Enigmosaurus mongoliensis Zanno et al. p. S15
2010Enigmosaurus mongoliensis Zanno p. 517
2012Enigmosaurus mongoliensis Qian et al. p. 339
2013Enigmosaurus mongoliensis Pu et al.
2015Enigmosaurus mongoliensis Tsuihiji et al. p. 64

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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
—Diapsida()
RankNameAuthor
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
—Coelurosauria()
—Maniraptoriformes
—TherizinosauriaRussell 1997
superfamilyTherizinosauroidea
familyTherizinosauridae
genusEnigmosaurusBarsbold and Perle 1983
speciesmongoliensisBarsbold and Perle 1983

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.

†Enigmosaurus mongoliensis Barsbold and Perle 1983
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Diagnosis
ReferenceDiagnosis
L. E. Zanno 2010A therizinosaurian bearing the following autapomorphies: dorsoventrally shallow pubic boot with pronounced, subequal cranial and caudal processes; pubic boot fused, enlarged medially, with medial expansion forming V-shaped trough (adopted from Barsbold 1983); medial fusion of obturator process and pubic apron forming tetraradiate process (Fig. 3).
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: Holtz et al. 2000, Marsh 1875

Age range: base of the Cenomanian to the top of the Santonian or 100.50000 to 83.60000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Cenomanian - Santonian100.5 - 83.6Mongolia (Dornogov) Enigmosaurus mongoliensis (type locality: 118167)