''Baiomys'' is the genus of New World pygmy mice. Together with ''

Scotinomys ''Scotinomys'' is a genus of rodent, the singing mice, in the family Cricetidae. Together with ''Baiomys'', it forms the tribe Baiomyini Baiomyini is a tribe of rodents in the subfamily Neotominae occurring from the southern United States to P ...

'', it forms the tribe

Baiomyini Baiomyini is a tribe of rodents in the subfamily Neotominae occurring from the southern United States to Panama. It includes the genera ''Baiomys'' and ''Scotinomys ''Scotinomys'' is a genus of rodent, the singing mice, in the family Cricetida ...

. It currently contains two extant species: *Southern pygmy mouse, ''

Baiomys musculus 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 Nicaragua (; ), officially the Republic of Nicaragua (), is the large ...

'' *Northern pygmy mouse, ''

Baiomys taylori The northern pygmy mouse (''Baiomys taylori'') is a species of rodent in the family Cricetidae. It is known as ''ratón-pigmeo norteño'' in the Spanish-speaking areas of its range. It is found in Mexico and the United States. Parasite ...

References

*Amman, B R., R. D. Bradley. 2003. Molecular evolution in ''Baiomys'' (Rodentia: Sigmodontinae): Evidence for a genetic subdivision in ''B. musculus''. Journal of Mammalogy 85:162-166. *Integrated Taxonomic Information Syste

Accessed 3 April 2007. Baiomys, Rodent genera Taxa named by Frederick W. True {{Cricetidae-stub