Order Chiroptera - Family Vespertilionidae 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 1 451 529 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Neoromicia guineensis (Bocage 1889) [Vesperus] guineensis Bocage 1889 , J. Sci. Math. Phys. Nat. Lisboa , ser. 2, 1: 6 . Type Locality: Guinea-Bissau , Bissau . Vernacular Names: Guinean Serotine . Subspecies: : Subspecies Neoromicia guineensis subsp. guineensis Bocage 1889 Subspecies Neoromicia guineensis subsp. rectitragus Wettstein 1916 Distribution: Senegal , Gambia , Guinea Bissau , and Guinea to Ethiopia and NE Dem. Rep. Congo ; perhaps Tanzania . Conservation: IUCN 2003 and IUCN / SSC Action Plan (2001) – Lower Risk (nt) as Eptesicus guineensis . Discussion: This species was called pusillus by Hayman and Hill (1971) , but see Koopman (1975) . Tanzanian record may represent somalicus .