Order Chiroptera - Family Molossidae 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 1 432 451 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Molossus molossus (Pallas 1766) [Vespertilio] molossus Pallas 1766 , Misc. Zool.: 49-50 . Type Locality: France , Martinique (Lesser Antilles). Vernacular Names: Pallas's Mastiff Bat . Subspecies: : Subspecies Molossus molossus subsp. molossus Pallas 1766 Subspecies Molossus molossus subsp. debilis Miller 1913 Subspecies Molossus molossus subsp. pygmaeus Miller 1900 Subspecies Molossus molossus subsp. fortis Miller 1913 Subspecies Molossus molossus subsp. milleri Johnson 1952 Subspecies Molossus molossus subsp. tropidorhynchus Gray 1839 Subspecies Molossus molossus subsp. verrilli J. A. Allen 1908 Distribution: Sinaloa and Coahuila ( Mexico ) to Peru , N Argentina , Paraguay , Uruguay , Brazil and Guianas; Greater and Lesser Antilles; Florida Keys ( USA ); Margarita Isl ( Venezuela ); Curaçao and Bonaire ( Netherlands Antilles ); Trinidad and Tobago . Conservation: IUCN 2003 and IUCN / SSC Action Plan (2001) – Lower Risk (lc). Discussion: Includes fortis , milleri , debilis , and tropidorhynchus ; see Varona (1974) . Called major by Hall and Kelson (1959) and Cabrera (1958) but see Husson (1962) . Does not include aztecus , barnesi , coibensis , cherriei , and lambi ; see Dolan (1989) and Simmons and Voss (1998) . Includes daulensis , but see Albuja (1982) . Antillean populations reviewed by Genoways et al. (1981) and Timm and Genoways (2003) . Records from the Florida Keys may have resulted from transportation by humans; see Frank (1997) . M. pygmaeus may represent a distinct species, possibly including populations from Guyana ; see Lim and Engstrom (2001) . This complexis desperately in need of revision.