Sellaphora queretana D. Mora, N. Abarca & J. Carmona, sp. nov. LM (133–140) and SEM (141–144). 133–137 type material, from stream Los Ailes 1, Querétaro, Mexico, collected on 18.09.2013 137 designated as holotype 138–140 population from stream Laguna de Servín 2, collected on 29.09.2013 141–144 from type material: 141, 142, 144 external views of entire valves 143 internal view of an entire valve. Scale bars 5 μm (133–140); 1 μm (141–144).