Polytoxus Spinola, 1850: 47. Type species by subsequent monotypy (Mulsant & Rey, 1873: 28): Acanthothorax sanguineus A. Costa, 1842.
Acanthothorax A. Costa, 1842b: 302 (junior homonym of Acanthothorax Gaede, 1832, Coleoptera; syn. Reuter, 1890a: 250). Type species by monotypy: Acanthothorax siculus A. Costa, 1842.
Leptomera Montrouzier, 1865: 238 (syn. Schouteden, 1907a: 117). Type species by monotypy: Leptomera jurdani Montrouzier, 1864, New Caledonia.
Costiella Reuter, 1890d: 241 (syn. Reuter, 1891d: 27). Type species by monotypy: Acanthothorax siculus A. Costa, 1842.