Cercopithecus (Rhinostictus) ascanius omissus Matschie, 1912

Annales de la Société royale zoologique et malacologique de Belgique 47, p. 68

Current valid name: Cercopithecus ascanius whitesidei Thomas, 1909

Holotype: ZMB 33181/33215, (= A 5094) male, juvenil, skull, skin; Mpapua [Mpwapwa] im Lande der Manyema, Tanganjika, Tanzania; collected by Schmidt, 1889.