Protoxerus Forsyth Major 1893 (African giant squirrel)
Mammalia - Rodentia - Sciuridae
Parent taxon: Protoxerini according to J. M. Mercer and V. L. Roth 2003
Sister taxa: Epixerus, Funisciurus, Heliosciurus, Myosciurus, Paraxerus
Subtaxa: none
Ecology: scansorial granivore-frugivore