Oligoryzomys victus (Thomas, 1898:178)

St. Vincent pygmy rice rat, St. Vincent colilargo, St Vincent rice rat, Pygmy rice rat



Taxonomy & Nomenclature

Synonym/s: Oryzomys victus Thomas, 1898:178


Conservation Status


Last record: 1892 (Lee et al., 2017; Turvey & Dávalos, 2019)

IUCN RedList status: Extinct


Only known from the holotype.



St. Vincent, Lesser Antilles


Biology & Ecology




Only known from the holotype.

Holotype: BMNH (adult female)






Original scientific description:

Thomas, Oldfield. (1898). On indigenous Muridae in the West Indies; with the description of a new Mexican Oryzomys. Annals and Magazine of Natural History, ser. 7, 1:176-180.


Other references:

Alcover, Josep Antoni et al. (1998). Mammal Species of the World: Additional Data on Insular Mammals. American Museum Novitates 3248, 29 pp., 1 table.

Borroto-Páez, Rafael, Mancina, Carlos A., Woods, Charles A. and Kilpatrick, C. William. (2012). Checklist: Updated Checklist of Endemic Terrestrial Mammals of the West Indies, pp. 389-415. In: Borroto-Páez, Rafael, Woods, Charles A. and Sergile, F. E. (eds.). Terrestrial Mammals of the West Indies: Contributions. Gainesville, Florida: Florida Museum of Natural History and Wacahoota Press. 482 pp.

Day, David. (1981). The Doomsday Book of Animals: A Natural History of Vanished Species. New York, N.Y.: The Viking Press.

Ellerman, J. R. 1941. The families and genera of living rodents. Vol. II. Family Muridae. British Museum (Natural History), London, 690 pp.

Goldman, E. A. 1918. The rice rats of North America (Genus Oryzomys). North American Fauna, 43: 1-100.

Goodwin, Harry A. and Goodwin, J. M. (1973). List of mammals which have become extinct or are possibly extinct since 1600. Int. Union Conserv. Nat. Occas. Pap. 8: 1-20.

Hall, E. R. and Kelson, K. R. (1959). The mammals of North America. Ronald Press Co., New York, 1:1-546; 2:547-1083 + 79.

Lee, T. E., Fisher, D. O., Blomberg, S. P. and Wintle, B. A. (2017). Extinct or still out there? Disentangling influences on extinction and rediscovery helps to clarify the fate of species on the edge. Global Change Biology 23(2): 621-634.

Musser, G. G. and Carleton, M. D. (2005). Superfamily Muroidea. In: D.E. Wilson and D.A. Reeder (eds), Mammal Species of the World: a geographic and taxonomic reference, pp. 894-1531. The John Hopkins University Press, Baltimore, USA.

Ray, Clayton E. (1962). The Oryzomyine Rodents of the Antillean Subregion. Doctor of Philosophy thesis, Harvard University, 211 pp.

Turvey, S. T. and Dávalos, L. (2008). Oligoryzomys victus. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. ( Downloaded on 30 July 2013.

Turvey, S. T. and Dávalos, L. (2019). Oligoryzomys victus. The IUCN Red List of Threatened Species 2019: e.T15255A22357957. Downloaded on 26 June 2021.

Turvey, S.T., Weksler, M., Morris, E.L. & Nokkert, M. 2010 Taxonomy, phylogeny and diversity of the extinct Lesser Antillean rice rats (Sigmodontinae: Oryzomyini), with description of a new genus and species. Zoological Journal of the Linnean Society 160: 748-772.


<< Back to the Rodents database