Gonocleonus angulatus Chevrolat, 1873
resurrected as valid species from synonymy with G. margaritiferus (Lucas, 1844) stat. res. and G. furcifrons (Marseul, 1876) transferred from synonymy with G. margaritiferus to synonym with Gonocleonus angulatus syn. n. (ST of both G. angulatus and G. furcifrons examined, photographs in WCC).