Order Didelphimorphia 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 1 3 18 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Micoureus demerarae Thomas 1905 Micoureus demerarae Thomas 1905 , Ann. Mag. Nat. Hist., ser. 7, 16: 313 . Type Locality: Guyana , East Demerara-West Coast Berbice , "Comaccka, 80 miles [ 129 km ] up Demerara River." . Vernacular Names: Woolly Mouse Opossum . Subspecies: : Subspecies Micoureus demerarae subsp. demerarae Thomas 1905 Subspecies Micoureus demerarae subsp. areniticola Tate 1931 Subspecies Micoureus demerarae subsp. dominus Thomas 1920 Subspecies Micoureus demerarae subsp. esmeraldae Tate 1931 Subspecies Micoureus demerarae subsp. meridae Tate 1931 Distribution: Colombia , Venezuela , French Guiana, Guyana , Surinam , Brazil , E Perú , and E Bolivia . Conservation: IUCN – Lower Risk (lc). Discussion: Previously included under Marmosa cinerea (Temminck, 1824) .