Víctor Pacheco

Víctor Raúl Pacheco Torres, Peruvian mammalogist.

Instituto de Ciencias Biológicas “Antonio Raimondi”, Facultad de Ciencias Biológicas, Universidad Nacional Mayor de San Marcos, Lima, Perú.
Departamento de Mastozoología, Museo de Historia Natural de la Universidad Nacional Mayor de San Marcos, Lima, Peru.

Taxon names authored

(List may be incomplete)

(List may be incomplete)

Vivar, E., Pacheco, V.R. & Valqui, M.H. (1997). A new species of Cryptotis (Insectivora:Soricidae) from Northern Peru. American Museum Novitates. 3202:1-15 Full article (PDF)Reference page.

Ochoa G., J., Aguilera, M., Pacheco, V. & Soriano, P.J. 2001. A new species of Aepeomys Thomas, 1898 (Rodentia: Muridae) from the Andes of Venezuela. Mammalian Biology 66(4): 228–237. Reference page.

Luna, L. & Pacheco, V. 2002. A New Species of Thomasomys (Muridae: Sigmodontinae) from the Andes of Southeastern Peru. Journal of Mammalogy 83(3): 934–942. DOI: 10.1644/1545-1542(2002)083<0834:ANSOTM>2.0.CO;2 Reference page.
Voss, R.S., Gomez-Laverde, M. & Pacheco, V. 2002. A new genus for Aepeomys fuscatus Allen, 1912, and Oryzomys intectus Thomas, 1912: enigmatic murid rodents from Andean cloud forests. American Museum Novitates 3373: 1-42. DOI: 10.1206/0003-0082(2002)373<0001:ANGFAF>2.0.CO;2, BHL Reference page.

Steppan, S.J., Ramirez, O., Banbury, J., Huchon, D., Pacheco, V., Walker, L.I. & Spotorno, A.E. 2007. A molecular reappraisal of the systematics of the leaf- eared mice Phyllotis and their relatives. Pp. 799–826. In Kelt, D.A., Lessa, E., Salazar-Bravo, J. and Patton, J.L. (Eds.) The quintessential naturalist: Honoring the life and legacy of Oliver P. Pearson. University of California Publications in Zoology 134: v-xii + 1–981. DOI: 10.1525/california/9780520098596.001.0001 Full article (PDF) Reference page.

Solari, S., Pacheco, V., Vivar, E. & Emmons, L.H. 2012. A new species of Monodelphis (Mammalia: Didelphimorphia: Didelphidae) from the montane forests of central Perú. Proceedings of the Biological Society of Washington 125(3): 295-307. DOI: 10.2988/11-33.1 Reference page.

Jiménez, C.F., Pacheco, V. & Vivas, D. 2013. An introduction to the systematics of Akodon orophilus Osgood, 1913 (Rodentia: Cricetidae) with the description of a new species. Zootaxa 3669(3): 223–242. DOI: 10.11646/zootaxa.3669.3.2 Reference page.

Pacheco, V., Rengifo, E.M. & Vivas, D. 2014. Una nueva especie de ratón orejón del género Phyllotis Waterhouse, 1837 (Rodentia: Cricetidae) del norte del Perú. Therya 5(2): 481–508. DOI: 10.12933/therya-14-185 Reference page.

Castro, M.C., Ciancio, M.R., Pacheco, V., Salas-Gismondi, R.M., Bostelmann, J.E. & Carlini, A.A. 2015. Reassessment of the hairy long-nosed armadillo “Dasypus” pilosus (Xenarthra, Dasypodidae) and revalidation of the genus Cryptophractus Fitzinger, 1856. Zootaxa 3947(1): 30–48. DOI: 10.11646/zootaxa.3947.1.2. Preview (PDF) Reference page.
Rengifo, E.M. & Pacheco, V. 2015. Taxonomic revision of the Andean leaf-eared mouse, Phyllotis andium Thomas 1912 (Rodentia: Cricetidae), with the description of a new species. Zootaxa 4018(3): 349–380. DOI: 10.11646/zootaxa.4018.3.2. Preview (PDF) Reference page.

Jiménez, C.F. & Pacheco, V. 2016. A new species of grass mouse, genus Akodon Meyen, 1833 (Rodentia, Sigmodontinae), from the central Peruvian Yungas. Therya 7(3): 449–464. DOI: 10.12933/therya-16-336 Reference page.
Uturunco, A.C.J. & Pacheco, V. 2016. Redescripción de Eremoryzomys polius (Rodentia: Cricetidae) y descripción de una nueva especie del género Eremoryzomys. Mastozoología Neotropical 23(2): 483–503. Full article (PDF) Reference page.

Hurtado, N. & Pacheco, V. 2017. Revision of Neacomys spinosus (Thomas, 1882) (Rodentia: Cricetidae) with emphasis on Peruvian populations and the description of a new species. Zootaxa 4242(3): 401–440. DOI: 10.11646/zootaxa.4242.3.1 Reference page.

Pacheco, V., Sánchez-Vendizú, P. & Solari, S. 2018. A New Species of Anoura Gray, 1838 (Chiroptera: Phyllostomidae) from Peru, with Taxonomic and Biogeographic Comments on Species of the Anoura caudifer Complex. Acta Chiropterologica 20(1): 31–50. DOI: 10.3161/15081109ACC2018.20.1.002 Reference page.
Sánchez-Vendizú, P., Pacheco, V. & Vivas-Ruiz, D. 2018. An introduction to the systematics of small-bodied Neacomys (Rodentia: Cricetidae) from Peru with descriptions of two new species. American Museum Novitates 3913: 1–38. DOI: 10.1206/3913.1 Reference page.

Pacheco, V., Sánchez-Vendizú, P., Loaiza-Salazar, C.R.L., Pino, K., Medina, C. & Vivas-Ruiz, D. 2020. A revision of Neusticomys peruviensis (Rodentia: Cricetidae) with the description of a new subspecies. Journal of Mammalogy 101(3): 858–871. DOI: 10.1093/jmammal/gyaa011 Reference page.
Ruelas, D., Pacheco, V. & Jiménez, C.F. 2020. Range extension and phylogenetic relationships of Akodon josemariarguedasi (Rodentia: Cricetidae) with comments on the aerosus species group. Mammalia 84(2): 207–213. DOI: 10.1515/mammalia-2018-0209 Reference page.

Pavan, A.C., Cadenillas, R., Centty, O., Pacheco, V. & Velazco, P.M. 2021. On the taxonomic identity of Pteronotus davyi incae Smith, 1972 (Chiroptera: Mormoopidae). American Museum Novitates 3966: 1–23. hdl: 2246/7255 Reference page.
Ruelas, D. & Pacheco, V. 2021. A new species of Thomasomys Coues, 1884 (Rodentia: Sigmodontinae) from the montane forests of northern Peru with comments on the "aureus" group. Revista Peruana de Biología 28(3): e19912. DOI: 10.15381/rpb.v28i3.19912 Reference page.
Ruelas, D., Pacheco, V., Inche, B. & Tinoco, N. 2021. A preliminary review of Nephelomys albigularis (Tomes, 1860) (Rodentia: Cricetidae), with the description of a new species from the Peruvian montane forests. Zootaxa 5027(2): 175–210. DOI: 10.11646/zootaxa.5027.2.3 Reference page.

Pacheco, V. & Ruelas, D. 2023. Systematic revision of Thomasomys cinereus (Rodentia: Cricetidae: Sigmodontinae) from northern Peru and southern Ecuador, with descriptions of three new species. Bulletin of the American Museum of Natural History 461: 1–72. hdl: 2246/7323; DOI: 10.1206/0003-0090.461.1.1 Reference page.

Bangs, M.R., Percequillo, A.R., Pacheco, V. & Steppan, S.J. 2025. Phylogenomics of sigmodontine rodents (Cricetidae: Sigmodontinae): Cloud forests and Pliocene extinction explain the timing and spread of an iconic South American radiation. PLoS ONE 20(11): e0317165. DOI: 10.1371/journal.pone.0317165 Reference page.
Llancachahua-Tarqui, D., Ruelas, D., Escobar, E. & Pacheco, V. 2025. Introduction to the Systematics of Oreoryzomys balneator (Rodentia; Cricetidae) with the description of a new species from Peruvian montane forests. Revista peruana de biología 32(4): e31354. DOI: 10.15381/rpb.v32i4.31354 Reference page.
Moreno-Cárdenas, P., Pacheco, V., Ruelas, D. & Ron, S.R., 2025. A new species of Cryptotis (Eulipotyphla: Soricidae) and introduction to the systematics of the Ecuadorian and Peruvian Cryptotis species. Mammalia (in press). DOI: 10.1515/mammalia-2024-0154 Reference page.
Pacheco, V., Sánchez-Vendizú, P., Fajardo, Ú., Cossíos, D. & Cadenillas, R. 2025. Hidden diversity in Daptomys (Rodentia: Cricetidae): a new species from lower montane forests of central Peru. Zootaxa 5696(4): 451–481. DOI: 10.11646/zootaxa.5696.4.1 Reference page.