Neacomys spinosus (Thomas 1882)

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 : 1128

Neacomys spinosus (Thomas 1882)

[Hesperomys] spinosus Thomas 1882 , Proc. Zool. Soc. Lond., 1882: 105.

Type Locality: Perú, Amazonas Dept., Huambo, 3700 ft (1128 m).

Vernacular Names: Common Neacomys.

Synonyms: Neacomys amoenus Thomas 1903 ; Neacomys carceleni Hershkovitz 1940 ; Neacomys typicus Thomas 1900 .

Distribution: WC Brazil to Andean foothills and lowlands of SE Colombia, E Ecuador, E Perú, and N and C Bolivia.

Conservation: IUCN – Lower Risk (lc).

Discussion: Karyotype (2n = 64) compared with other oryzomyines by Gardner and Patton (1976). Morphological, karyological, and molecular differentiation from N. minutus and N. musseri presented by Patton et al. (2000). Lawrence (1941) recognized the nominate form and carceleni as subspecies, a division supported by the limited samples genetically analyzed by Patton et al. (2000). Known sympatrically with N. minutus and N. musseri .