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 Protoxerus Forsyth Major 1893 Protoxerus Forsyth Major 1893 , Proc. Zool. Soc. Lond., 1893: 189 . Type Species: Sciurus stangeri Waterhouse 1842 Species and subspecies: 2 species with 14 subspecies in 2 subgenera: Subgenus Protoxerus (Protoxerus) Forsyth Major 1893 Subgenus Protoxerus (Allosciurus) Conisbee 1953 Species Protoxerus (Allosciurus) aubinnii (Gray 1873) Subspecies Protoxerus (Allosciurus) aubinnii subsp. aubinnii Gray 1873 Subspecies Protoxerus (Allosciurus) aubinnii subsp. salae Jentink 1881 Species Protoxerus (Protoxerus) stangeri ( Waterhouse 1842 ) Subspecies Protoxerus (Protoxerus) stangeri subsp. stangeri Waterhouse 1842 Subspecies Protoxerus (Protoxerus) stangeri subsp. bea Heller 1912 Subspecies Protoxerus (Protoxerus) stangeri subsp. centricola Thomas 1906 Subspecies Protoxerus (Protoxerus) stangeri subsp. cooperi Kingdon 1971 Subspecies Protoxerus (Protoxerus) stangeri subsp. eborivorus Du Chaillu 1860 Subspecies Protoxerus (Protoxerus) stangeri subsp. kabobo Verheyen 1960 Subspecies Protoxerus (Protoxerus) stangeri subsp. kwango Verheyen 1960 Subspecies Protoxerus (Protoxerus) stangeri subsp. loandae Thomas 1906 Subspecies Protoxerus (Protoxerus) stangeri subsp. nigeriae Thomas 1906 Subspecies Protoxerus (Protoxerus) stangeri subsp. personatus Kershaw 1923 Subspecies Protoxerus (Protoxerus) stangeri subsp. signatus Thomas 1910 Subspecies Protoxerus (Protoxerus) stangeri subsp. temminckii Anderson 1879 Discussion: Tribe Protoxerini ( Moore, 1959 ) . Includes Allosciurus (replaced Myrsilas Thomas, 1909, which was preoccupied by Myrsilas Stål, 1865 [ Hemiptera ]) and Protoxerus as subgenera. Originally a subgenus of Xerus , raised to full generic rank by Thomas (1897 b ) .