Order Chiroptera - Family Emballonuridae 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 1 381 391 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Balantiopteryx infusca Thomas 1897 Balantiopteryx infusca Thomas 1897 , Ann. Mag. Nat. Hist., ser. 6, 20: 546 . Type Locality: Ecuador , Esmeraldas , Cachabi. Vernacular Names: Ecuadorian Sac-winged Bat . Distribution: W Ecuador , Colombia . Conservation: IUCN 2003 and IUCN / SSC Action Plan (2001) – Endangered. Discussion: Reviewed by Hill (1987), Arroyo-Cabrales and Jones (1988 b ) , and McCarthy et al. (2000) .