| nitzschia microcephala | | spain: catalonia, ebro delta, drainage channel of encanyissada lagoon | | 1779750528 |
| nitzschia microcephala | | spain: catalonia, ebro delta, drainage channel of encanyissada lagoon | | 1779750583 |
| nitzschia microcephala | | spain: catalonia, ebro delta, drainage channel of encanyissada lagoon | | 1935606698 |