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Borisodon kara

Mammalia - Zhelestidae

Taxonomy
Sorlestes kara was named by Nessov (1993). Its type specimen is CCMGE 101/12455, a mandible (dentary fragment with p5, ml-3), and it is a compression fossil. Its type locality is Near Ashchikol' Lake, drill core, which is in a Turonian terrestrial siltstone in Kazakhstan. It is the type species of Borisodon.

It was recombined as Borisodon kara by Archibald and Averianov (2012).

Synonymy list
YearName and author
1993Sorlestes kara Nessov
2004Sorlestes kara Kielan-Jaworowska et al. pp. 495, 511-512
2012Borisodon kara Archibald and Averianov p. 401 fig. 26

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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
RankNameAuthor
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
familyZhelestidaeNessov 1990
genusBorisodon
specieskara(Nessov 1993)

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.

†Borisodon kara Nessov 1993
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Diagnosis
ReferenceDiagnosis
J. D. Archibald and A. Averianov 2012Differs from Aspanlestes, Zhelestes, Parazhelestes, and Eoungulatum by tilting of coronoid process 95–105°. Differs from Aspanlestes, Zhelestes, and Eoungulatum by mandibular symphysis at p2 or
more anterior. Differs from Aspanlestes, Zhelestes, and Parazhelestes by ‘coronoid’ facet present; p5 metaconid absent; p5 lingual cingulid complete. Differs from Zhelestes, Parazhelestes, and Eoungulatum by
Meckelian groove present. Differs from Aspanlestes and Parazhelestes by mandibular condyle slightly above alveolar level; p5 paraconid cingulid cusp absent. Differs from Eoungulatum by masseteric fossa bordered ventrally by well-defined crest connected to condyle; m3 subequal or larger than m2.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: insectivoresubc
Reproduction: viviparoussubc
Created: 2005-09-06 20:43:42
Modified: 2005-09-06 22:44:32
Source: subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Ji et al. 2002, Hendy et al. 2009, Lillegraven 1979

Age range: Early/Lower Turonian or 93.50000 to 89.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Turonian93.5 - 89.3Kazakhstan (Qyzylorda) Sorlestes kara (type locality: 85419)