Order Primates 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 1 111 184 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Galago alleni Waterhouse 1837 Galago alleni Waterhouse 1837 , Proc. Zool. Soc. Lond., 1837: 87 . Type Locality: Equatorial Guinea , Bioko. Vernacular Names: Bioko Allen's Bushbaby . Distribution: Bioko ( Equatorial Guinea ). Conservation: CITES – Appendix II; IUCN – Endangered as G. a. alleni . Discussion: G. alleni species group. Divided into three species by Groves (2001 c ) , so does not include cameronensis , gabonensis .