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Sinobaatar xiei

Mammalia - Multituberculata - Eobaataridae

Taxonomy
Sinobaatar xiei was named by Kusuhashi et al. (2009). Its type specimen is IVPP V14491, a partial skull (Partial skull including maxillae with right (P1-M2) and left (P1-P5 and M2) dentitions, fragment of left premaxilla with I2 and I3, damaged right basicranial re), and it is a 3D body fossil. Its type locality is Fuxin city area, which is in an Aptian/Albian alluvial fan coal in the Fuxin Formation of China.

Synonymy list
YearName and author
2009Sinobaatar xiei Kusuhashi et al. p. 1266 figs. 3-7

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Allotheria()
orderMultituberculataCope 1884
familyEobaataridae
genusSinobaatar
speciesxiei

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.

†Sinobaatar xiei Kusuhashi et al. 2009
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Diagnosis
ReferenceDiagnosis
N. Kusuhashi et al. 2009Lower p4 having eight to nine serrations; P5 having only three cusps arranged anteroposteriorly; P1 to P3 without distinct posterior cingula; P4 cusp formula 2:4; M1 cusp formula 4:4; M2 cusp formula 3:4. Differing from Sinobaatar lingyuanensis in cusp formula of P4 and P5. Differing from S. fuxinensis in lack of distinct posterior cingulum on P1 to P3 and cusp formula of M2.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: arborealo
Diet: herbivoreo
Created: 2005-09-01 17:42:57
Modified: 2005-09-01 19:42:57
Source: o = order, c = class, subp = subphylum
References: Carroll 1988, Hopson 1973, Hendy et al. 2009, Jenkins and Krause 1983

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 - 100.5China (Liaoning) Sinobaatar xiei (type locality: 123517)