Baiomys

Baiomys, the New World pygmy mice, is a genus of rodents in the family Cricetidae. Together with Scotinomys, it forms the tribe Baiomyini. It contains the smallest rodents in North America. It currently contains three extant species:

• Southern pygmy mouse, Baiomys brunneus
• Mexican pygmy mouse, Baiomys musculus
• Northern pygmy mouse, Baiomys taylori

Additionally, there are seven known fossil species:

• Baiomys aquilonius <small>Zakrzewski, 1969</small>
• Baiomys brachygnathus <small>(Gidley, 1922)</small>
• Baiomys intermedius <small>Packard & T. Alvarez, 1965</small>
• Baiomys kolbi <small>Hibbard, 1952</small>
• Baiomys minimus <small>(Gidley, 1922)</small>
• Baiomys rexroadi <small>Hibbard, 1941</small>
• Baiomys sawrockensis <small>Hibbard, 1953</small>

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 System https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=180367. Retrieved 3 April 2007.