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Fischer's guiara Temporal range: Pleistocene to Recent
Conservation status
Least Concern  (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Echimyidae
Subfamily:	Euryzygomatomyinae
Genus:	Euryzygomatomys
Species:	E. spinosus
Binomial name
Euryzygomatomys spinosus (G. Fischer, 1814)

Fischer's guiara (Euryzygomatomys spinosus), is a spiny rat species found in Argentina, Brazil and Paraguay. It is one of only two species in the genus Euryzygomatomys. Its karyotype has 2n=46 and FN=88.

References

1. Catzeflis, F.; Patton J.; Percequillo, A.; Weksler, M. (2016). "Euryzygomatomys spinosus". IUCN Red List of Threatened Species. 2016: e.T8418A22205855. doi:10.2305/IUCN.UK.2016-2.RLTS.T8418A22205855.en. Retrieved 19 November 2021.
2. ^ Woods, C.A.; Kilpatrick, C.W. (2005). "Infraorder Hystricognathi". 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. 1582. ISBN 978-0-8018-8221-0. OCLC 62265494.

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• IUCN Red List least concern species
• Euryzygomatomys
• Mammals described in 1814
• Taxa named by Gotthelf Fischer von Waldheim
• Spiny rat stubs