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Builstynia fontana

Mammalia - Soricidae

Taxonomy
Builstynia fontana was named by Ziegler et al. (2007). Its type specimen is NHMW 2006z0054/0001, a mandible (dext. with a1, p4 and m1), and it is not a trace fossil. Its type locality is Builstyn Khudag, section BUK-A, layer 12 &14, which is in a Miocene dry floodplain sandstone/mudstone in the Loh Formation of Mongolia. It is the type species of Builstynia.

Synonymy list
YearName and author
2007Builstynia fontana Ziegler et al. p. 138 figs. Fig. 26/6

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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
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
RankNameAuthor
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Eulipotyphla
suborderSoricomorphaGregory 1910
familySoricidaeFischer 1814
subfamilySoricinaeFischer von Waldheim 1817
tribeNeomyiniMatschie 1909
genusBuilstynia
speciesfontana

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.

Builstynia fontana Ziegler et al. 2007
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Diagnosis
ReferenceDiagnosis
R. Ziegler et al. 2007I sup. not fissident; upper molars broad with strongly emarginated distal margin and relatively narrow hypoconal flange, distal cingulum interrupted at the deepest point of the distal emargination; i inf. bicuspulate; a1 reduced in size as compared to p4, m1-2 relatively broad with shallow hypoflexid, relatively short talonid, weak entoconid and low or moderate entocristid; labial basis of m1 strongly inclined disto-ventrally in labial view; m3 talonid reduced in size and morphology; condylus with narrow and high interarticular area and broad lower articular facet (in lingual view ending in line with distal margin of internal temporal fossa). Coronoid process somewhat tilted laterally, condylus medially.