Phonoctonus formosus Distant, 1902e: 543. ST(S): Angola; BMNH.
Pseudophonoctonus formosus var. corbisieri Schouteden, 1932: 204. ST(S): Zaire, Eala; MRAC.
Pseudophonoctonus formosus var. bassamensis Villiers, 1948: 140. ST(S): Côte d'Ivoire, Grand Bassam; MNHN.
Pseudophonoctonus formosus var. mirabilis Villiers, 1959a: 331. ST(S): Côte d'Ivoire; MNHN.