Oecomys rex Thomas 1910
Oecomys rex Thomas 1910, Ann. Mag. Nat. Hist., ser. 8, 6: 504.
Type Locality: Guyana, Demerara Dist., Supenaam River.
Vernacular Names: Regal Oecomys.
Synonyms: Oecomys regalis (Hershkovitz 1960) .
Distribution: Far E Venezuela (Bolívar; see Linares, 1998), Guianas, and NE Brazil north of the Amazon (Amapá and Amazonas).
Conservation: IUCN – Lower Risk (lc).