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Birbalomys woodi

Mammalia - Rodentia - Chapattimyidae

Taxonomy
Birbalomys woodi was named by Sahni and Khare (1973). Its type specimen is LUVP 15005 1a, a maxilla (sin. with P3-M3), and it is a 3D body fossil. Its type locality is Chenpur (LU 1007), which is in a Lutetian terrestrial shale in the Subathu Formation of India. It is the type species of Birbalomys.

Synonyms
  • Metkamys blacki was named by Sahni and Srivastava (1976) [Hartenberger (1982) reinterpreted the holotype as an D4 sup.]. Its type specimen is L.U.V.P. 20026, a tooth (right M1), and it is not a trace fossil. Its type locality is Metka Coalfield, which is in a Ypresian/Lutetian marine shale in the Subathu Formation of India. It is the type species of Metkamys.

    It was synonymized subjectively with Birbalomys woodi by Hartenberger (1982).
Synonymy list
YearName and author
1973Birbalomys woodi Sahni and Khare pp. 34-37 figs. 3-6
1976Birbalomys woodi Sahni and Srivastava p. 922
1976Metkamys blacki Sahni and Srivastava p. 924
1982Birbalomys woodi Hartenberger p. 25
1997Birbalomys woodi Kumar et al.

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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
—Mammaliaformes
RankNameAuthor
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
—CtenohystricaHuchon et al. 2000
superfamilyCtenodactyloidea
familyChapattimyidaeHussain et al. 1978
genusBirbalomys
specieswoodi

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.

†Birbalomys woodi Sahni and Khare 1973
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Invalid names: Metkamys blacki Sahni and Srivastava 1976 [synonym]
Diagnosis
ReferenceDiagnosis
J.L. Hartenberger 1982Large species; metaconule and protoconule apparent on upper teeth;
mesostyle present on M1 and M2; incomplete metaloph. On lower teeth the entolophid is connected to the ectolophid; crenulations in the talonid basin are very frequent.