| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Surirella Turpin 1828 | 1 | 0 | 3 |
| Surirella Turpin 1828 | 0 | 0 | 3 |
| Surirellaceae | 1 | 0 | 0 |
| Surirellales | 1 | 0 | 0 |
| Thalassionema A. Grunow ex C. Mereschkowsky 1902 | 1 | 0 | 0 |
| Thalassionema nitzschioides | 0 | 0 | 3 |
| Thalassionemataceae | 2 | 0 | 0 |
| Thalassionematales | 1 | 0 | 0 |
| Thalassiosira Cleve 1873 | 1 | 0 | 3 |
| Thalassiosira Cleve 1873 | 0 | 0 | 3 |
| Thalassiosiraceae | 2 | 0 | 0 |
| Thalassiosirales | 3 | 0 | 0 |
| Thalassiothrix P. T. Cleve & A. Grunow 1880 | 1 | 0 | 0 |
| Thalassiothrix longissima | 0 | 0 | 3 |
| Triceratiaceae | 1 | 0 | 0 |
