| nitzschia cf. pusilla | | spain: catalonia, ebro delta, la trinitat salt works | | 1779750521 |
| nitzschia cf. pusilla | | spain: catalonia, ebro delta, garxal | | 1779750527 |
| nitzschia cf. pusilla | | spain: catalonia, ebro delta, la trinitat salt works | | 1779750571 |
| nitzschia cf. pusilla | | spain: catalonia, ebro delta, la trinitat salt works | | 1935606680 |