Subspecies and Distribution. N.f.ferrugineaTomes,1862—SGuatemalaandWElSalvador;andpossiblyWHonduras. N.f.chamulaGoldman,1909—fromCChiapas(SEMexico)SEtoCEGuatemala. N.f.isthmicaGoldman,1904—SEMexico(SEOaxacaandSChiapas)andSWGuatemala. N. f. vulcani Sanborn, 1935 — known only from the type locality at Volcan Tajumulco (SW Guatemala). in Cricetidae

Subspecies and Distribution. N.f.ferrugineaTomes,1862—SGuatemalaandWElSalvador;andpossiblyWHonduras. N.f.chamulaGoldman,1909—fromCChiapas(SEMexico)SEtoCEGuatemala. N.f.isthmicaGoldman,1904—SEMexico(SEOaxacaandSChiapas)andSWGuatemala. N. f. vulcani Sanborn, 1935 — known only from the type locality at Volcan Tajumulco (SW Guatemala).Published as part of Don E. Wilson, Russell A. Mittermeier & Thomas E. Lacher, Jr, 2017, Cricetidae, pp. 204-535 in Handbook of the Mammals of the World – Volume 7 Rodents II, Barcelona :Lynx Edicions on page 360, DOI: 10.5281/zenodo.670714