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Tsaganius ambiguus

Mammalia - Proteutheria - Palaeoryctidae

Taxonomy
Tsaganius ambiguus was named by Russell and Dashzeveg (1986). Its type specimen is PSS 20-89, a mandible (left dentary with m1-3, talonid of p4), and it is a 3D body fossil. Its type locality is Tsagan Khushu Quarry 1 [SMPE], which is in a Bumbanian terrestrial gravel in the Naran Bulak Formation of Mongolia. It is the type species of Tsaganius.

Synonymy list
YearName and author
1986Tsaganius ambiguus Russell and Dashzeveg

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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
subclassSynapsida
RankNameAuthor
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
orderProteutheria
familyPalaeoryctidaeWinge 1917
subfamilyDidelphodontinae
genusTsaganius
speciesambiguus

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.

†Tsaganius ambiguus Russell and Dashzeveg 1986
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatitef
Ontogeny: modification of partsf
Environment: terrestrialf
Locomotion: actively mobilef
Life habit: scansorialf
Diet: insectivoref
Reproduction: viviparoussubc
Created: 2005-09-10 10:27:49
Modified: 2005-09-10 12:27:49
Source: f = family, subc = subclass
References: Ji et al. 2002, Lillegraven 1979, Fox 2004

Age range: base of the Gashatan to the top of the Bumbanian or 58.70000 to 48.60000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Gashatan58.7 - 55.8China (Nei Mongol) Tsaganius ambiguus (71076)
Bumbanian55.8 - 48.6Mongolia (Omnogov) Tsaganius ambiguus (133397)
Bumbanian55.8 - 48.6Mongolia (Southern Mongolia) Tsaganius ambiguus (type locality: 37206)