White-faced spiny tree-rat
The white-faced spiny tree-rat, Echimys chrysurus, is a spiny rat species from South America. It is found in Brazil, French Guiana, Guyana and Suriname.
The etymology of the species name derives from the two ancient greek words , gold, and , animal tail.
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.