Pseudomys auritus Thomas, 1910

Long-eared mouse, Long-eared pseudo-rat, Long-eared pseudo-mouse, Basalt plains mouse, Long-eared rat (used by Wood Jones, 1925:313)



Taxonomy & Nomenclature

Synonym/s: Pseudomys australis auritus Thomas, 1910; Pseudomys basalticus Fraser & Wells, 2006:152; Pseudomys sp. (Basalt Plains Mouse)


Sometimes regarded as a junior synonym of P. australis (e.g. Musser & Carleton, 2005). However, it is likely a valid species according to (Medlin, 2008). So there is at least some taxonomic dispute to be resolved.


Conservation Status


Last record: c.1850 (Burbidge & Woinarski, 2016); prior to 1853 (Medlin, 2023:446); 1853 (Troughton, 1941)

IUCN status: Extinct



South Australia & Victoria, Australia

Type locality: "Lake Albert, S.A." (Mahoney & Richardson, 1988:172)


Biology & Ecology




Holotype: BMNH (skin & skull) (Mahoney & Richardson, 1988:172)


Other specimens:

Four specimens are held in the Museum Victoria palaeontological collection: P 201634 and 5, 201967 and 203333. 

NHM 1843.8.12.52 (Roycroft et al., 2021, 2022)






Original scientific description:

Thomas, Oldfield. (1910). New Australian Muridae of the genus Pseudomys. Annals and Magazine of Natural History (8) 6: 607-610.


Other references:

Braithwaite, R.W., Morton, S.R., Burbidge, A.A. and Calaby, J.H. 1995. Australian names for Australian rodents. Australian Nature Conservation Agency in association with CSIRO Australia, Canberra.

Burbidge, A. A. and Woinarski, J. (2016). Pseudomys auritus. The IUCN Red List of Threatened Species 2016: e.T75927882A75927900. Downloaded on 18 December 2016.

Cleugh, H., Stafford Smith, M., Battaglia, M. and Graham, P. 2011. Climate change: science and solutions for Australia. CSIRO, Canberra.

DEECA [Department of Energy, Environment and Climate Action]. (2023). Flora and Fauna Guarantee Act 1988 Threatened List: June 2023. Published report by The State of Victoria Department of Energy, Environment and Climate Action, Melbourne, Victoria.

Fisher, Clem T. (1984). Australasian mammal specimens in the collections of Merseyside County Museums. Australian Mammology 7(4): 205-213.

Flannery, Timothy F. (1995). Basalt Plains Mouse, Pseudomys sp., pp. 619. In: Strahan, Ronald (ed.). The Complete Book of Australian Mammals, Third Edition. Chatswood: Reed Books.

Fraser, Rebecca A. and Wells, Roderick T. (2006). The palaeontological excavation and taphonomic investigation of a late Pleistocene fossil deposit in Grant Hall, Naracoorte, South Australia. Alcheringa Special Issue 1, 2006: 147-161.

Iredale, Tom and Troughton, Ellis Le Geyt. (1934). A check-list of the mammals recorded from Australia. Mem. Aust. Mus. 6: i-xii, 1-122.

Jackson, Stephen and Groves, Colin. (2015). Taxonomy of Australian Mammals. Clayton South, Melbourne: CSIRO Publishing. 529 pp. [p. 202-203]

Lee, A.K. 1995. The Action Plan for Australian Rodents. Australian Department of the Environment and Heritage, Canberra, Australia.

Macken, Amy C. and Reed, Elizabeth H. (2013). Late Quaternary small mammal faunas of the Naracoorte caves world heritage area. Transactions of the Royal Society of South Australia 137(1): 53-67.

Mahoney, J. A. and Richardson, B. J. (1988). Muridae, pp. 154-192. In: Walton, D. W. (ed.). Zoological Catalogue of Australia. Volume 5. Mammalia. Canberra: Australian Government Publishing Service. x + 273 pp. [p. 172]

Medlin, G. C. (2008). Long-eared Mouse, Pseudomys auritus, pp. 615-616. In: S. Van Dyck and R. Strahan (eds), The mammals of Australia. Third Edition. Reed New Holland, Sydney, Australia.

Medlin, G. C. (2023). Long-eared Mouse, Pseudomys auritus, pp. 446-448. In: Baker, Andrew M. and Gynther, Ian C. (eds.). Strahan’s Mammals of Australia (4th ed.). Wahroonga, NSW: Reed New Holland Publishers. 848 pp.

Morris, K.D. 2000. The status and conservation of native rodents in Western Australia. Wildlife Research 27: 405-419.

Moseby, K. (2012). National Recovery Plan for the Plains Mouse Pseudomys australis. Department of Environment, Water and Natural Resources, South Australia.

Moseby, K. E. and Kemper, C. (2008). Pseudomys australis. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.4. ( Downloaded on 16 January 2011.

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.

Piper, K. J. (2007). Early Pleistocene mammals from the Nelson Bay Local Fauna, Portland, Victoria, Australia. Journal of Vertebrate Palaeontology 27: 492-503.

Prideaux, G. J., R. G. Roberts, D. Megirian, K. E. Westaway, J. C. Hellstrom, and J. M. Olley. (2007). Mammalian responses to Pleistocene climate change in southeastern Australia. Geology 35: 33-36.

Reed, Elizabeth H. and Bourne, Steven J. (2000). Pleistocene fossil vertebrate sites of the south east region of South Australia. Transactions of the Royal Society of South Australia 124(2): 61-90.

Reed, Elizabeth H. and Bourne, Steven J. (2009). Pleistocene Fossil Vertebrate Sites of the South East Region of South Australia II. Transactions of the Royal Society of South Australia 133(1): 30-40.

Roycroft, Emily et al. (2021). Museum genomics reveals the rapid decline and extinction of Australian rodents since European settlement. PNAS 118(27): e2021390118.

Roycroft, Emily et al. (2022). New Guinea uplift opens ecological opportunity across a continent. Current Biology.

Start, A.N., Burbidge, A.A., McDowell, M.C., and McKenzie, N.L. 2012. The status of non-volant mammals along a rainfall gradient in the south-west Kimberley, Western Australia. Australian Mammalogy 34: 36-48.

Troughton, Ellis Le Geyt. (1941). Furred Animals of Australia. Sydney.

Wakefield, Norman A. (1963). Mammal remains from the Grampians, Victoria. The Victorian Naturalist 80(5): 130-133.

Wakefield, Norman Arthur. (1964a). Recent mammalian sub-fossils of the basalt plains of Victoria. Proceedings of the Royal Society of Victoria. New series 77(2): 419-425. [p. 423]

Wakefield, Norman Arthur. (1964b). Mammal sub-fossils from basalt caves in south-western Victoria. The Victorian Naturalist 80(9): 274-278.

Wakefield, Norman Arthur. (1971). Mammals of Western Victoria, pp. 35-51. In: Douglas, H. M. and O'Brien, L. (eds.). The Natural History of Western Victoria. Horsham, Victoria: Aust. Inst. Agric. Sci.

Watts, C. H. S. and Aslin, H. A. (1981). The Rodents of Australia. Sydney: Angus and Robertson.

Webb, Steve. (2008). Megafauna demography and late Quaternary climatic change in Australia: A predisposition to extinction. Boreas 37: 329-345.

Whisson, L. (2008). Western Mouse, Pseudomys occidentalis. In: S. Van Dyck and R. Strahan (eds), The mammals of Australia. Third Edition, pp. 645-646. Reed New Holland, Sydney, Australia.

Woinarski, John C. Z., Braby, M. F., Burbidge, A. A., Coates, D., Garnett, S. T., Fensham, R. J., Legge, S. M., McKenzie, N. L., Silcock, J L. and Murphy, B. P. (2019). Reading the black book: The number, timing, distribution and causes of listed extinctions in Australia. Biological Conservation 239: 108261.

Wood Jones, Frederic. (1925). The Mammals of South Australia. Part III. (Conclusion) Containing the Monodelphia. Adelaide: Government Printer. 3: 271-458. [21 December 1925] [p. 313-314 (species account)]


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