White-faced spiny tree-rat

The white-faced spiny tree-rat (Echimys chrysurus) is a spiny rat species from South America.^[2] It is found in Brazil, French Guiana, Guyana and Suriname.

White-faced spiny tree-rat
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Echimyidae
Tribe:	Echimyini
Genus:	Echimys
Species:	E. chrysurus
Binomial name
Echimys chrysurus Zimmermann, 1780
Synonyms
Myoxus chrysurus Zimmermann, 1780 Echimys cristatus Desmarest, 1817 Echimys paleaceus (Lichtenstein, 1820)

The etymology of the species name derives from the two ancient greek words χρυσός (khrusós), gold, and οὐρά (ourá), animal tail.^[3][4]

The main diagnostic character state of this Echimys species is the presence of a dorsal white median stripe on the head. As compared to Echimys vieirai and Echimys saturnus, E. chrysurus also possesses a brighter dorsum.^[5]

References

1. Catzeflis, F.; Patton, J. (2016). "Echimys chrysurus". IUCN Red List of Threatened Species. 2016: e.T6979A22207079. doi:10.2305/IUCN.UK.2016-2.RLTS.T6979A22207079.en. Retrieved 12 November 2021.
2. Woods, C.A.; Kilpatrick, C.W. (2005). "Species Echimys chrysurus". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 1538–1600. ISBN 978-0-8018-8221-0. OCLC 62265494.
3. Bailly, Anatole (1981-01-01). Abrégé du dictionnaire grec français. Paris: Hachette. ISBN 2010035283. OCLC 461974285.
4. Bailly, Anatole. "Greek-french dictionary online". www.tabularium.be. Retrieved 2017-11-05.
5. Iack-Ximenes, Gilson Evaristo; de Vivo, Mario; Percequillo, Alexandre Reis (2005). "A new species of Echimys Cuvier, 1809 (Rodentia, Echimyidae) from Brazil". Papéis Avulsos de Zoologia. 45 (5): 51–60. doi:10.1590/S0031-10492005000500001. ISSN 0031-1049.