Ramsayia magna Owen, 1872



Taxonomy & Nomenclature

Synonym/s: Phascolomys magnus Owen, 1872; Phascolomys curvirostris Owen, 1875


Conservation Status


Last record: Late Pleistocene





Anatomy & Morphology

It weighed an estimated 100kg (Johnson & Prideaux, 2004:557; Johnson, 2006:20).


Biology & Ecology

It ate grass (Johnson, 2006:20).



F5342 (Dawson, 1985:65)






Original scientific description:

Owen, Richard. [In Anon.]. (1872). On the fossil mammals of Australia, No. vm [sic]. : Genus Phascolomys; species exceeding the present in size. Nature, Lond. 5 : 503,4.


Other references:

Bartholomai, Alan. (1977). The fossil vertebrate fauna from Pleistocene deposits at Cement Mills, Gore, Southeastern Queensland. Memoirs of the Queensland Museum 18(1): 41-51.

Dawson, Lyndall. (1981). The status of the taxa of extinct giant wombats (Vombatidae: Marsupialia), and a consideration of vombatid phylogeny. Australian Mammalogy 4(2): 65-79.

Dawson, Lyndall. (1985). Marsupial fossils from Wellington Caves, New South Wales; the historic and scientific significance of the collections in the Australia Museum, Sydney. Records of the Australian Museum 37(2): 55-69.

Johnson, Chris N. (2006). Australia's Mammal Extinctions: A 50 000 Year History. Port Melbourne, Victoria: Cambridge University Press. x + 278 pp. [p. 20]

Johnson, Chris N. and Prideaux, Gavin J. (2004). Extinctions of herbivorous mammals in the late Pleistocene of Australia in relation to their feeding ecology: no evidence for environmental change as cause of extinction. Australian Ecology 29: 553-557.

Louys, Julien. (2015). Wombats (Vombatidae: Marsupialia) from the Pliocene Chinchilla Sand, southeast Queensland, Australia. Alcheringa 39 (3): 394-406. [Abstract]

Louys, Julien et al. (2022). Cranial remains of Ramsayia magna from the Late Pleistocene of Australia and the evolution of gigantism in wombats (Marsupialia, Vombatidae). Papers in Palaeontology 8(6): e1475.

Mahoney, J. A. and Ride, W. D. L. (1975). Index to the genera and species of fossil Mammalia described from Australia and New Guinea between 1838 and 1968. Western Australian Museum Special Publication 6: 1-250.

Molnar, R. E., and C. Kurz. (1997). The distribution of Pleistocene vertebrates on the eastern Darling Downs, based on the Queensland Museum collections. Proceedings of the Linnean Society of New South Wales 117: 107-134.

Owen, Richard [In Anon.]. (1885). The premaxillaries and scalpriform teeth of a large extinct wombat (Phascolomys curvirostris, Ow.). Abstr. Froc. geol. Soc. Lond. no. 476 : 1,2. [See p. 60 of this Index concerning the date of publication of this work.] Republished, 1885, Nature, Lond. 33 : 94. Republished, 1886, Ann. Mago nat. Hist. (5) 17: 289,90.


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