Order Rodentia - Family Echimyidae Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2 1575 1592 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Echimys G. Cuvier 1809 Echimys G. Cuvier 1809 , Bull. Sci. Soc. Philom. Paris, 24: 394 . Type Species: Myoxus chrysurus Zimmermann 1780 Synonyms: Echinomys Wagner 1840 ; Loncheres Illiger 1811 ; Nelomys Jourdan 1837 . Species and subspecies: 3 species: Species Echimys chrysurus (Zimmermann 1780) Species Echimys saturnus Thomas 1928 Species Echimys semivillosus I. Geoffroy 1838 Discussion: Formerly included pictus by some authors (e.g., Pictet, 1843 ; Goldman, 1916 ; Thomas, 1916 e , f ; Tate, 1935; Moojen, 1952 ), now in genus Callistomys (see account above); armatus , grandis , macrurus , and rhipidurus , which are now placed in the genus Makalata (see that account); and blainvillei , braziliensis , dasythrix , lamarum , nigrispinus , thomasi , and unicolor , which are now placed in the genus Phyllomys (see that account and Emmons et al., 2002). The genus is under review by L. Emmons (pers. comm.), and generic assignment of the species listed is likely to change.