Calomyscus bailwardi

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Cladus: Cynodontia
Cladus: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohors: Theria
Cohors: Eutheria
Infraclassis: Placentalia
Cladus: Boreoeutheria
Superordo: Euarchontoglires
Ordo: Rodentia
Subordo: Myomorpha
Superfamilia: Muroidea

Familia: Calomyscidae
Genus: Calomyscus
Species: Calomyscus bailwardi
Name

Calomyscus bailwardi Thomas, 1905

Type locality: Iran (Khuzistan Province, Zagros Mountains)
References

Calomyscus bailwardi in Mammal Species of the World.
Wilson, Don E. & Reeder, DeeAnn M. (Editors) 2005. Mammal Species of the World – A Taxonomic and Geographic Reference. Third edition. ISBN 0-8018-8221-4.
IUCN: Calomyscus bailwardi Thomas, 1905 (Least Concern)

Vernacular names
English: Zagros Mountains Mouse-like Hamster

The Zagros Mountains mouse-like hamster (Calomyscus bailwardi) is a relatively little-known rodent which was the first species of mouse-like hamster to be described. The species is distributed throughout much of southern Iran, particularly in the Zagros mountains. It is also known as the Iranian mouse-like hamster, though there are several species of mouse-like hamster found in different parts of Iran.

This is the largest species of mouse-like hamster. They are dark grey on top and white underneath. They are found in habitat ranging from barren rocky hillsides to wetter regions. They are known to feed on herbs and grass seed.

Graphodatsky et al. (2000) recovered three distinct karyotypes from different regions throughout the range of C. bailwardi (2n=37, FNa=44; 2n=52, FNa=56; 2n=50, FNa=50). This may suggest that further taxonomic revision is required. Vorontsov et al. (1979) emphasized how little is known about the species and that the current definition is based largely on distribution.

Many sources still refer to all members of Calomyscus as part of the species Calomyscus bailwardi.
References

Shenbrot, G.; Kryštufek, B.; Yigit, N. (2017) [errata version of 2016 assessment]. "Calomyscus bailwardi". IUCN Red List of Threatened Species. 2016: e.T3618A115066410. doi:10.2305/IUCN.UK.2016-3.RLTS.T3618A22185615.en. Retrieved 25 May 2023.
Graphodotsky, A. S., et al. 2000. Comparative cytogenetics of hamsters of the genus Calomyscus. Cytogenetics and Cell Genetics, 88:296-304.
Lay, D. M. 1967. A study of the mammals of Iran resulting from the Street Expedition of 1962-1963. Fieldiana: Zoology, 54:1-282.
Musser, G.G.; Carleton, M.D. (2005). "Superfamily Muroidea". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 894–1531. ISBN 978-0-8018-8221-0. OCLC 62265494.
Schlitter, D. A. and H. W. Setzer. 1973. New Rodents (Mammalia: Cricetidae, Muridae) from Iran and Pakistan. Proceedings of the Biological Society of Washington, 86:163-174.
Vorontsov, N. N., I. Kartavtseva, and E. G. Potapova. 1979. [Systematics of the genus Calomyscus. 1. Karyological differentiation of the sibling species from Transcaucasia and Turkmenia and a review of species in the genus Calomyscus] (in Russian). Zoologichaskii Zhurual, 58:1391-1397.

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