Delany's mouse

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Delany's mouse
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Nesomyidae
Subfamily: Delanymyinae
Musser and Carleton, 2005
Genus: Delanymys
Hayman, 1962
Species: D. brooksi
Binomial name
Delanymys brooksi
Hayman, 1962
Delanymys brooksi distribution.svg
Geographic range

Delany's mouse or Delany's swamp mouse (Delanymys brooksi) is a species of rodent in the family Nesomyidae. It is the only species in the genus Delanymys and the only extant member of subfamily Delanymyinae, which also contains the fossil genus Stenodontomys. It was previously placed in subfamily Petromyscinae, but it is apparently not closely related to Petromyscus. It is found in Democratic Republic of the Congo, Rwanda, and Uganda. Its natural habitats are subtropical or tropical high-altitude shrubland and swamps. It is threatened by habitat loss.


In 2013, a robust muroid phylogeny found Delanymys sister to Mystromys + Petromyscus, reviving the affinity of Delanymys to petromyscines, in addition to Mystromys (Mystromyinae). Conventionally, all three genera have been placed in their own subfamily; a scheme that creates redundant, non-informative monogeneric subfamilies with respect to extant taxa.

More broadly, the clade Delanymys belongs to (Delanymys + (Mystromys + Petromyscus)) was sister to Dendromurinae (Steatomys + (Dendromus + Malacothrix)) and Cricetomyinae (Saccostomus + (Beamys + Cricetomys)).


  • Dieterlen, F. & Kerbis Peterhans, J. 2004. Delanymys brooksi. 2006 IUCN Red List of Threatened Species. Downloaded on 9 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.
  • Schenk, J. J., Rowe, K. C. & Steppan, S. J. 2013. Ecological opportunity and incumbency in the diversification of repeated continental colonizations by muroid rodents. Systematic Biology 62, 837–864.