Uromys imperator Thomas, 1888:157

Emperor rat, Emperor uromys



Taxonomy & Nomenclature

Synonym/s: Cyromys imperator Thomas, 1888:157


Conservation Status


Last record: 1886-1888 (collected); pre-c.1960 (sightings by locals) (both Flannery, 1995:173)

IUCN RedList status: Critically Endangered (Possibly Extinct)



Guadalcanal (northern), Solomon Islands


Biology & Ecology




BMNH (adult male)






Original scientific description:

Thomas, Oldfield. (1888). Diagnosis of six new Mammals from the Solomon Islands. Annals and Magazine of Natural History, London 1: 155-158.


Other references:

Flannery, Timothy F. (1991). Emperor, king and Little pig: the three rats of Guadalcanal. Australian Natural History 23: 634-641.

Flannery, Timothy F. (1995). Mammals of the South-West Pacific and Moluccan Islands. Comstock/Cornell, Ithaca, Ny, USA. [p. 173]

Freudenthal, M. and Martín-Suárez, E. (2013). Estimating body mass of fossil rodents. Scripta Geologica 145: 1-130. [1.0 kg min. mass estimate]

Groves, Colin P. and Flannery, Timothy F. (1994). A revision of the genus Uromys Peters, 1867 (Muridae: Mammalia) with descriptions of two new species. Records of the Australian Museum 46(2): 145-170.

Helgen, K., Leary, T. & Wright, D. 2016. Uromys imperator. The IUCN Red List of Threatened Species 2016: e.T22803A22447074. Accessed on 06 July 2022.

Lavery, T.H. 2013. A reassessment of the type locality of the giant rat Solomys salamonis (Rodentia: Muridae) from the Solomon Islands. Australian Mammalogy 36(1): 99-102.

Leary, T., Seri, L., Flannery, T., Wright, D., Hamilton, S., Helgen, K., Singadan, R., Allison, A., James, R. & Bonaccorso, F. (2008). Uromys imperator. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. ( Downloaded on 30 July 2013.


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