Pseudoryzomys simplex (Winge 1887)
[Pseudoryzomys] simplex (Winge 1887), E Museo Lundii, Vol. 1, 3: 11.
Type Locality: Brazil, Minas Gerais State, near Lagoa Santa.
Vernacular Names: False Oryzomys.
Synonyms: Pseudoryzomys wavrini (Thomas 1921); Pseudoryzomys reigi Pine and Wetzel 1975 .
Distribution: EC Bolivia, NE Argentina (Chaco, Formosa, Sante Fe; Pardiñas et al., in litt.), and W Paraguay, to E Brazil (Pernambuco).
Conservation: IUCN – Lower Risk (lc).
Discussion: Formerly classified as Oryzomys incertae sedis (Cabrera, 1961) until genus diagnosed by Hershkovitz (1962). Lectotype designated, synonymy presented, karyotype and distribution discussed by Voss and Myers (1991).