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Basalomys ijlsti

Mammalia - Rodentia - Chapattimyidae

Taxonomy
Saykanomys ijlsti was named by Hussain et al. (1978). It is not a trace fossil. Its type locality is H-GSP 144, which is in a Lutetian marine conglomerate in the Kuldana Formation of Pakistan.

It was recombined as Birbalomys (Basalomys) ijlsti by Hartenberger (1982); it was recombined as Basalomys ijlsti by Kumar et al. (1997); it was recombined as Birbalomys ijlsti by Hussain et al. (1978) and Thewissen et al. (2001).

Synonymy list
YearName and author
1978Birbalomys ijlsti Hussain et al. p. 84 figs. Pl1, figs 5-8; Pl2, figs 4-7
1978Saykanomys ijlsti Hussain et al. pp. 81-83 figs. Pl.1, figs. 1-4; Pl 2, figs. 1-3
1982Birbalomys (Basalomys) ijlsti Hartenberger p. 26 figs. Pl.1, figs 7, 10, 11, 13; Pl. 2, figs. 8
1997Basalomys ijlsti Kumar et al.
2001Birbalomys ijlsti Thewissen et al. p. 353

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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
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
genusBasalomys()
speciesijlsti()

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.

Basalomys ijlsti Hussain et al. 1978
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2005-08-26 14:04:46
Modified: 2005-08-26 16:04:46
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Nowak 1999, Lillegraven 1979, Carroll 1988, Ji et al. 2002

Age range: Lutetian or 47.80000 to 41.30000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Lutetian47.8 - 41.3Pakistan (Punjab) Birbalomys ijlsti (45586) Saykanomys ijlsti (type locality: 49003)
Lutetian47.8 - 41.3India (Jammu and Kashmir) Basalomys ijlsti (31299 180525)
Lutetian47.8 - 41.3Pakistan (North-West Frontier) Birbalomys ijlsti (28978)
Middle Eocene47.8 - 37.71India (Himachal Pradesh) Basalomys ijlsti (31036)