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Mongolostegus

Reptilia - Stegosauridae

Taxonomy
Mongolostegus was named by Tumanova and Alifanov (2018). Its type is Mongolostegus exspectabilis.

It was assigned to Stegosauridae by Tumanova and Alifanov (2018).

Species
M. exspectabilis (type species)

Synonymy list
YearName and author
2018Mongolostegus Tumanova and Alifanov p. 1772–1773 figs. Pl. 4–6

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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
RankNameAuthor
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Thyreophora()
—Stegosauria()
familyStegosauridae
genusMongolostegus

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.

G. †Mongolostegus Tumanova and Alifanov 2018
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†Mongolostegus exspectabilis Tumanova and Alifanov 2018
Diagnosis
ReferenceDiagnosis
T. A. Tumanova and V. R. Alifanov 2018Medium-sized stegosaurs. Ratio of neural spine height to height of caudal vertebral centrum 1.5 : 1; their craniocaudal length smaller than width. Apices of neural spines nonexpanded and non-doubled; neural spines of first five caudal vertebrae inclined distally. Within this series, neural canal relatively large. Prezygapophyses posterior to vertebra 3 projecting considerably anteriorly. Bases of transverse processes of vertebrae 1–5 displaced posteriorly. Pubis massive. Transverse section of postpubis from irregularly oval in medial part to rounded in distal part. Acetabular portion strongly thickened.
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: gregariouso
Environment: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: herbivoreo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2004-12-14 12:50:52
Modified: 2004-12-14 14:50:52
Source: o = order
Reference: Marsh 1875

Age range: base of the Aptian to the top of the Albian or 125.00000 to 100.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Aptian - Albian125.0 - 100.5Mongolia (Dornogov) M. exspectabilis (32362)