Prismatocerus Amyot & Serville, 1843: 184. Type species by monotypy: Prismatocerus auritulus Amyot & Serville, 1843 (= Homoeocerus magnicornis Burmeister, 1835), South Africa.
Tagus Stål, 1865a: 67 (syn. Linnavuori, 1978: 14). Type species by monotypy: Tagus productus Stål, 1865.