Solomys salamonis (Ramsay, 1882:43)

Ugi giant rat, Ugi naked-tailed rat, Florida giant rat, Florida naked-tailed rat, Florida rat



Taxonomy & Nomenclature

Synonym/s: Mus salamonis Ramsay, 1882:43 (original combination); Uromys salamonis (Ramsay, 1882:43)


Conservation Status


Last (and only) record: 1881 (Martin et al., 2023)

IUCN RedList status: Data Deficient



Ugi Island (not Florida Island), Solomon Islands


Biology & Ecology




Only known from the holotype. Only the skull seems to remain, the body having seemingly been lost (Troughton, 1936).






Original scientific description:

Ramsay, E. P. (1883a). On a new species of Mus from the Island of Ugi, Solomon Group. The Proceedings of the Linnean Society of New South Wales 7(1): 43-44.


Other references:

Flannery, Timothy F. (1995). Mammals of the South-West Pacific and Moluccan Islands. Comstock/Cornell, Ithaca, Ny, USA. [p. 165]

Flannery, Timothy F. and Wickler, S. (1990). Quaternary murids (Rodentia: Muridae) from Buka Island, Papua New Guinea, with descriptions of two new species. Australian Mammalogy 13: 127-139.

Lavery, Tyrone. (2013). A re-assessment of the type locality of the giant rat Solomys salamonis (Rodentia: Muridae) from the Solomon Islands. Australian Mammalogy 36(1):99-102 . [Abstract]

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

Martin, Thomas E., Bennett, Gareth C., Fairbairn, Andrew J. and Mooers, A. Ø. (2023). ‘Lost’ taxa and their conservation implications. Animal Conservation 26(1): 14-24. [Appendix S2 (1617 taxa not seen >10 years); Appendix S3 (562 taxa not seen >50 years)]

MacPhee, R. D. E. and Flemming, C. (1999). Requiem Aeternam. The last five hundred years of mammalian species extinctions, pp. 333-371. In: MacPhee, R. D. E. (ed.). Extinctions in Near Time. New York: Kluwer Academic / Plenum Publisher.

Parnaby, Harry, Ingleby, Sandy and Divljan, Anja. (2017). Type specimens of non-fossil mammals in the Australian Museum, Sydney. Records of the Australian Museum 69(5): 277-420.

Ramsay, E. P. (1883b). Contributions to the zoology of New Guinea, Part 7. Proceedings of the Linnean Society of N.S.W. 8: 15-29. [relevnt citation? erratum which changes type locality]

Rümmler, H. 1938. Die Systematik und Verbreitung der Muriden Neuguineas. Mitteilungen aus dem Zoologische Museum in Berlin, 23:1-297.

Tate, G. H. H. 1951. Results of the Archbold Expeditions. No. 65. The rodents of Australia and New Guinea. Bulletin of the American Museum of Natural History, 97:183-430.

Troughton, E. L. G. (1936). A redescription of Solomys ("Mus") salamonis Ramsay. Proceedings of the Linnean Society of New South Wales 61: 3-4.


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