Paraxerus vexillarius Kershaw 1923
Paraxerus vexillarius Kershaw 1923, Ann. Mag. Nat. Hist., ser. 9, 11: 591.
Type Locality: Tanzania, Usambara, Lushoto, Wilhelmsthal.
Vernacular Names: Swynnerton's Bush Squirrel.
Subspecies::
Subspecies Paraxerus vexillarius subsp. vexillarius Kershaw 1923
Subspecies Paraxerus vexillarius subsp. byatti Kershaw 1923
Distribution: C and E Tanzania.
Conservation: IUCN – Vulnerable.
Discussion: It is possible that vexillarius and byatti are separate species, as treated by G. M. Allen (1939) and Ellerman (1940). Amtmann (1975) combined them but stated that they may be distinct species.