Crunomys fallax Thomas 1897 Crunomys fallax Thomas 1897, Trans. Zool. Soc. Lond., 14: 394. Type Locality: Philippines, NC Luzon Isl, Isabella Province, Sierra Madre Range, 1000 ft (305 m). Vernacular Names: Luzon Shrew Mouse. Distribution: Greater Luzon Faunal Region. Known only from the type locality. Conservation: IUCN – Critically Endangered. Discussion: Recorded only by the holotype. Morphologically more similar to the Philippine C. melanius and C. suncoides than to the Sulawesian C. celebensis (Musser, 1982 c; Rickart et al., 1998). Two specimens reported as C. fallax by Danielsen et al. (1994) and Mallari and Jensen (1993) that were trapped in mossy forest in the Sierra Madre Range are actually Archboldomys musseri (Rickart et al., 1998:22).

Published as part of Wilson, Don E. & Reeder, DeeAnn, 2005, Order Rodentia - Family Muridae, pp. 1189-1531 in Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore :The Johns Hopkins University Press on page 1313, DOI: 10.5281/zenodo.7316535