Staurophora brantii has rhombic-lanceolate valves with broadly-rounded and slightly protracted apices. Staurophora columbiana has linear-lanceolate valves and a poorly defined central area. Staurophora soodensis amd S. tackei are much smaller. Besides being smaller, S. wislouchii has elliptic-lanceolate valves with distinctly protracted apices.