Microryzomys altissimus Osgood 1933

Wilson, Don E. & Reeder, DeeAnn, 2005, Order Rodentia - Family Cricetidae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore: The Johns Hopkins University Press, pp. 955-1189 : 1126

Microryzomys altissimus Osgood 1933

Microryzomys altissimus Osgood 1933 , Field Mus . Nat. Hist. Publ., Zool. Ser., 20: 5.

Type Locality: Perú, Pasco Dept., La Quinua, mountains north of Cerro de Pasco, 11,600 ft (3536 m).

Vernacular Names: Paramo Colilargo.

Synonyms: Microryzomys chotanus Hershkovitz 1940 ; Microryzomys hylaeus Hershkovitz 1940 .

Distribution: Subalpine and páramo formations, mostly 2500-4000 m, in the Andes of Colombia, Ecuador, and Perú.

Conservation: IUCN – Lower Risk (lc).

Discussion: Diagnosed as a subspecies of Oryzomys minutus but elevated to species by Hershkovitz (1940), who named two additional subspecies. Subspecific arrangement followed by Cabrera (1961) but none retained by Carleton and Musser (1989).