Order Artiodactyla 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 1 637 722 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Philantomba maxwellii (C. H. Smith 1827) [Antilope] maxwellii C. H. Smith 1827 , in: Griffith et al., Animal Kingdom, Vol. 4: 267 . Type Locality: " Sierra Leone ". Vernacular Names: Maxwell's Duiker . Subspecies: : Subspecies Philantomba maxwellii subsp. maxwellii C. H. Smith 1827 Subspecies Philantomba maxwellii subsp. danei Hinton 1920 Distribution: Forested habitats in Benin , S Burkina Faso , Côte d’Ivoire, Gambia , Ghana , Guinea , Guinea-Bissau , Liberia , Nigeria west of Cross River , Senegal , Sierra Leone , and Togo . Conservation: IUCN – Lower Risk (nt) as Cephalophus maxwellii . Discussion: Included in P. monticola by Haltenorth and Diller (1977:43) . Reviewed by Ralls (1973 , Mammalian Species, 31).