Order Rodentia - Family Sciuridae Author Robert S. Hoffmann Author Charles G. Anderson text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 419 465 book chapter http://doi.org/10.5281/zenodo.7353130 1-56098-217-9 7353130 Protoxerus Forsyth Major, 1893 . Proc. Zool. Soc. Lond., 1893:189 . TYPE SPECIES: Sciurus stangeri Waterhouse, 1842 . SYNONYMS: Allosciurus Conisbee, 1953 . COMMENTS: Tribe Protoxerini ( Moore, 1959 ) . Includes Allosciurus (replaced Myrsilas Thomas, 1909, which was preoccupied by Myrsilas Stài, 1865 [ Hemiptera ]) and Protoxerus as subgenera. Originally a subgenus of Xerus, raised to full generic rank by Thomas (1897b) .