Order Rodentia - Family Sciuridae 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 2 754 818 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Heliosciurus rufobrachium subsp. rufobrachium Waterhouse 1842 Heliosciurus rufobrachium subsp. rufobrachium Waterhouse 1842 , Ann. Mag. Nat. Hist., ser. 1, 10: 202 . Type Locality: Equatorial Guinea , Bioko "...brought from Fernando Po ...". Synonyms: Heliosciurus rufobrachium subsp. acticola Thomas 1923 ; Heliosciurus rufobrachium subsp. rufo-brachiatus (Waterhouse 1843) .