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Quaesitosaurus orientalis

Osteichthyes - Nemegtosauridae

Taxonomy
Quaesitosaurus orientalis was named by Kurzanov and Bannikov (1983). Its type specimen is PIN 3906/2, a skull, and it is a 3D body fossil. Its type locality is Shara-Tsav [SMPE] (PIN coll. 3906), which is in a Campanian/Campanian terrestrial marl/claystone in the Baruungoyot Formation of Mongolia. It was considered monophyletic by Maryanska (2000).

Synonymy list
YearName and author
1983Quaesitosaurus orientalis Kurzanov and Bannikov pp. 91-92 figs. 1-2
1990Quaesitosaurus orientalis McIntosh p. 350
1992Quaesitosaurus orientalis Salgado and Calvo p. 337
1997Quaesitosaurus orientalis Barsbold p. 449
1997Quaesitosaurus orientalis Osmólska p. 41
1997Quaesitosaurus orientalis Salgado and Calvo pp. 41-43 fig. 7
2000Quaesitosaurus orientalis Maryanska p. 459
2002Quaesitosaurus orientalis Buffetaut et al. p. 97
2002Quaesitosaurus orientalis Wilson p. 249
2004Quaesitosaurus orientalis Upchurch et al. p. 263
2005Quaesitosaurus orientalis Curry Rogers p. 66
2006Quaesitosaurus orientalis Wilson p. 171
2008Quaesitosaurus orientalis Filippi and Garrido p. 581
2011Quaesitosaurus orientalis Díez Díaz et al. p. 522
2011Quaesitosaurus orientalis Grellet-Tinner et al. p. 627
2011Quaesitosaurus orientalis Saegusa and Tomida p. 257
2012Quaesitosaurus orientalis Díez Díaz et al. p. 266
2012Quaesitosaurus orientalis Grellet-Tinner et al. p. 8
2014Quaesitosaurus orientalis Mocho et al.
2023Quaesitosaurus orientalis Poropat et al. p. 1

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
RankNameAuthor
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
—Eusaurischia
—Sauropodomorpha(Huene 1932)
—Massopoda
—Sauropodiformes
—Sauropoda()
—Gravisauria
—Eusauropoda
—Neosauropoda
—Macronaria
—Titanosauriformes
—Titanosauria
—Lithostrotia
familyNemegtosauridae
genusQuaesitosaurus
speciesorientalis

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.

†Quaesitosaurus orientalis Kurzanov and Bannikov 1983
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatiteinfrao
Entire body: yesinfrao
Adult length: 10 to < 100infrao
Adult width: 10 to < 100infrao
Adult height: 10 to < 100infrao
Thickness: thickinfrao
Architecture: compact or denseinfrao
Form: sphericalinfrao
Ontogeny: accretion, modification of partsinfrao
Grouping: gregariousinfrao
Environment: terrestrialinfrao
Locomotion: actively mobileinfrao
Life habit: ground dwellinginfrao
Diet: herbivoreinfrao
Reproduction: oviparousinfrao
Dispersal: direct/internalinfrao
Dispersal 2: mobileinfrao
Created: 2004-12-14 12:49:10
Modified: 2004-12-14 14:49:10
Source: infrao = infraorder
References: Marsh 1875, Kiessling 2004

Age range: base of the Middle Campanian to the top of the Late/Upper Campanian or 83.60000 to 72.20000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Middle Campanian - Late/Upper Campanian83.6 - 72.2Mongolia (Omnogov) Quaesitosaurus orientalis (type locality: 51971)