| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Aulacoseirales | 1 | 0 | 0 |
| Auxenochlorella | 0 | 1 | 0 |
| Bacillaria paxillifer | 0 | 1 | 0 |
| Bacillariaceae | 8 | 26 | 0 |
| Bacillariales | 1 | 26 | 0 |
| Bacillariophycae | 1 | 0 | 0 |
| Bacillariophyceae | 1 | 107 | 0 |
| Bacillariophycidae | 9 | 103 | 0 |
| Bacillariophyta (diatoms) | 6 | 414 | 0 |
| Bacillariophytina | 1 | 0 | 0 |
| Bacteria | 3 | 90 | 0 |
| Bambusina borreri | 0 | 7 | 0 |
| Bangiophyceae | 0 | 7 | 0 |
| Bangiophyceae | 1 | 7 | 0 |
| Batrachospermaceae | 1 | 0 | 0 |
