Collection N.Delahaye

Tithoës frontalis Harold, 1879: 154 ([Syntypes] "Aus dem Inneren (Pogge !)" ZMHB)
Tithoes frontalis ; Jordan, 1894: 142
Tithoes frontalis var. transitionis Kolbe, 1898: 294 ([Syntypes] Migere in Butumbi, südlich vom Albert-Edward See & südöstlich vom Victoria-Nyansa ZMHB)
Acanthophorus (Tithoes) maculatus subsp. frontalis ; Lameere, 1903: 37
Acantophorus (Tithoes) frontalis ; Burgeon, 1928: 7 [misspelling]
Acantophorus maculatus frontalis ; Burgeon, 1930: 75 [misspelling]
Acanthophorus maculatus frontalis ; Basilewsky, 1953: 89
Tithoes (Tithoes) maculatus frontalis ; Quentin & Villiers, 1983: 91 [Lectotype]
Tithoes maculatus subsp. frontalis ; Joly et al., 2008: 31

Tithoes sulcicornis Kolbe, 1898: 351 ([Holotype] Usambara ZMHB)
Tithoes reichardi Kolbe, 1898: 351 ([Syntypes] Kakoma Ugunda & Tanganijka See ZMHB)
Acanthophorus (Tithoes) maculatus subsp. sulcicornis ; Lameere, 1903: 36

Acanthophorus (Tithoes) maculatus subsp. centralis Lameere, 1903: 36 ([Syntypes] Togo ZMHB & ISBN, Pays des Niam-Niam ISNB, Congo, Uere MRAC)
Acantophorus (Tithoes) maculatus centralis ; Burgeon, 1928: 7 [misspelling]