Order Rodentia - Family Cricetidae 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 2 955 1189 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Scolomys ucayalensis Pacheco 1991 Scolomys ucayalensis Pacheco 1991 , Publ. Mus . Hist. Nat., Ser. A Zool., Univ. Nac. Mayor de San Marcos , 37: 1 . Type Locality: Perú , Loreto Dept., 2.8 km E Jenaro Herrera, right bank of Río Ucayali , 135 m ; 79°39'W , 04°52'S . Vernacular Names: Long-nosed Scolomys . Synonyms: Scolomys juruaense Patton and da Silva 1995 . Distribution: S Colombia , NE Peru , and westernmost Brazil ( Acre and Amazonas ) (Gómez-Laverde et al., 2004:Fig. 1). Conservation: IUCN – Endangered. Discussion: Based on qualitative traits, morphometric analyses, and cytochrome b sequences, Gómez-Laverde et al. (2004) considered the recently described juruaense as insufficiently differentiated to warrant specific separation.