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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
Subordo: Cynodontia
Infraordo: 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: Cricetidae
Subfamilia: Neotominae
Genus: Baiomys
Species: Baiomys musculus
Name
Baiomys musculus (Merriam, 1892)
Type locality: México (Colima)
Synonyms
Baiomys musculus brunneus (J. A. Allen & Chapman, 1897)
Baiomys musculus grisescens Goldman, 1932
Baiomys musculus handleyi Packard, 1958
Baiomys musculus infernatis Hooper, 1952
Baiomys musculus nebulosus Goodwin, 1959
Baiomys musculus nigrescens (Osgood, 1904)
Baiomys musculus pallidus Russell, 1952
Baiomys musculus pullus Packard, 1958
References
Baiomys musculus 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: Baiomys musculus (Merriam, 1892) (Least Concern)
Vernacular names
العربية: فأر قزمي جنوبي
English: Southern Pygmy Mouse
മലയാളം: സതേൺ പിഗ്മി മൗസ്
The southern pygmy mouse (Baiomys musculus) is a species of rodent in the family Cricetidae. It is found in El Salvador, Guatemala, Honduras, Mexico, and Nicaragua.
Contents
1 Habitat
2 Description
3 Reproduction
4 References
Habitat
Coastal animals are larger on average. They prefer open canopy areas with grasses and less dead wood or bare ground. In general they are found in open areas with thick low vegetation.[2] They are also found in rocky areas.[3]
Description
The outer coat of the southern pygmy mouse varies from a reddish brown to almost black. The under belly is lighter in tone than the back ranging from pinkish buff to white. Juveniles are born with a gray coat that slowly turns brown as they mature.[3] Uncharacteristically of other members in the family Cricetidae they have 14 cheek teeth instead of 12.[4]
Reproduction
Breeding occurs year-round but rates are not constant throughout the year. During the winter and spring there are fewer litters born. Individuals living in grassy areas dig burrows for nesting while others in rocky areas live under rocks.[3]
Synonyms:
Baiomys brunneus (J. A. Allen and Chapman, 1897)
Baiomys nigrescens (Osgood, 1904)
Baiomys grisescens (Goldman, 1932)
Baiomys infernatis (Hooper, 1952)
Baiomys pallidus (Russell, 1952)
Baiomys handleyi (Packard, 1958)
Baiomys pullus (Packard, 1958)
Baiomys nebulosus (Goodwin, 1959)
References
Reid, F.; Vázquez, E. (2017) [errata version of 2016 assessment]. "Baiomys musculus". IUCN Red List of Threatened Species. 2016: e.T2465A115062118. doi:10.2305/IUCN.UK.2016-3.RLTS.T2465A22330412.en. Retrieved 23 June 2022.
Schnell, Gary D.; Poindexter, Cassie J.; Sánchez-Hernández, Cornelio; Romero-Almaraz, María de Lourdes; Kennedy, Michael L.; Best, Troy L.; Wooten, Michael C.; Pérez Jiménez, Alfredo (2008-05-10). "Demographic features and habitat preferences of southern pygmy mice (Baiomys musculus) in Colima, Mexico". Canadian Journal of Zoology. 86 (6): 507–524. doi:10.1139/Z08-026. ISSN 0008-4301.
Packard, Montgomery, Robert, James (1978-09-21). "Baiomys musculus" (PDF). Mammalian Species (102): 1–3. doi:10.2307/3503780. JSTOR 3503780. Retrieved 2015-11-19.
Hooper, Emmet T. (1955-05-01). "Extra Teeth in the Pygmy Mouse, Baiomys musculus". Journal of Mammalogy. 36 (2): 298–299. doi:10.2307/1375907. ISSN 0022-2372. JSTOR 1375907.
Baillie, J. 1996. Baiomys musculus. 2006 IUCN Red List of Threatened Species. Downloaded on 19 July 2007.
Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 in Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore.
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