| Waterhouse's swamp rat | |
|---|---|
_BHL40299907_(cropped).jpg)
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Cricetidae |
| Subfamily: | Sigmodontinae |
| Genus: | Scapteromys |
| Species: | S. tumidus
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| Binomial name | |
| Scapteromys tumidus (Waterhouse, 1837)
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Waterhouse's swamp rat (Scapteromys tumidus) is a semiaquatic rodent species from South America.[2] It is found in southern Brazil, Uruguay and northern Argentina, where it lives in freshwater and salt marshes, as well as open grassland of the pampas.[1] Its karyotype has 2n = 24, substantially lower than its closest relative S. aquaticus with 2n = 32.[3]
- ^ a b Queirolo, D.; Christoff, A.; D'Elia, G.; Pardinas, U. (2017) [amended version of 2016 assessment]. "Scapteromys tumidus". IUCN Red List of Threatened Species. 2017: e.T19945A121711379. Retrieved 28 June 2020.
- ^ Musser, G. G.; Carleton, M. D. (2005). "Scapteromys tumidus". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 1172. ISBN 978-0-8018-8221-0. OCLC 62265494.
- ^ Musser, G. G.; Carleton, M. D. (2005). "Scapteromys aquaticus". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 1172. ISBN 978-0-8018-8221-0. OCLC 62265494.