| uncultured achnanthales | no rank | eukaryota | environmental samples | species | 342096 |
| uncultured bacillariaceae | no rank | eukaryota | environmental samples | species | 342099 |
| uncultured catenulaceae | no rank | eukaryota | environmental samples | species | 662474 |
| uncultured gomphonemataceae | no rank | eukaryota | environmental samples | species | 665006 |
| uncultured naviculaceae | no rank | eukaryota | environmental samples | species | 662472 |