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Tavoonyia altaica

Mammalia - Soricidae

Taxonomy
Tavoonyia altaica was named by Ziegler et al. (2007). Its type specimen is NHMW 2006z0037/0001, a tooth (M1 sup. sin.), and it is not a trace fossil. Its type locality is Tavan Ovoony Deng, Taatsiin Gol Area, Valley of Lakes, Central Mongolia. Sample RHN-A/9, which is in an Oligocene terrestrial siltstone in the Loh Formation of Mongolia. It is the type species of Tavoonyia.

Synonymy list
YearName and author
2007Tavoonyia altaica Ziegler et al. p. 125

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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
Therapsida()
infraorderCynodontia()
RankNameAuthor
Mammaliamorpha
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Eulipotyphla
suborderSoricomorphaGregory 1910
familySoricidaeFischer 1814
subfamilyCrocidosoricinae
genusTavoonyia
speciesaltaica

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.

Tavoonyia altaica Ziegler et al. 2007
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Diagnosis
ReferenceDiagnosis
R. Ziegler et al. 2007Crocidosoricine shrew. Root of I sup. without longitudinal lingual groove. M1 with rounded hypocone, a moderate distal emargination, and a distal cingulum only. 3 lower antemolars in front of p4; 3rd alveole in front of p4 with a mesial ridge. Lower molars with a weak lingual cingulid. In m1 the disto-labial edge of the protoconid is connected to the labial cingulum, in m2 the connection is ndistinct. First and second lower molar with high entocristid. m3 with somewhat mesio-distally compressed trigonid and without hypoconulid.