| Kingdom | Phylum | Class | Order | Family | Genus |
|---|---|---|---|---|---|
| Chromista | Ochrophyta | Bacillariophyceae | Thalassiosirales | Thalassiosiraceae | Thalassiosira P.T.Cleve, 1873 |
| Rank | Scientific name | Taxonomic status |
|---|---|---|
| variety | Thalassiosira gracilis var. expecta Hust. | accepted |
| variety | Thalassiosira gracilis var. gracilis | doubtful |
Thalassiosira gracilis (Karsten) Hustedt. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-11-28.