Order Rodentia - Family Muridae 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 1189 1531 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Sommeromys macrorhinos Musser and Durden 2002 Sommeromys macrorhinos Musser and Durden 2002 , Am. Mus . Novit., 3368: 7 . Type Locality: Indonesia , C Sulawesi , Gunung Tokala , 02E13' S/120E04' E, 2400 m (see Musser and Durden, 2002:7 , for additional information). Vernacular Names: Sommer's Sulawesi Rat . Distribution: Recorded only from tropical upper montane rain forest at the type locality. Discussion: Gracile, insectivorous, nocturnal, scansorial, and arboreal. The species is unique among murines in morphology of its highly specialized rostral region, tail, feet and digits ( Musser and Durden, 2002 ). Member of montane forest species known only from mountainous C Sulawesi ( Musser and Durden, 2002 ; Musser and Holden, 1991 ).