| Kingdom | Phylum | Class | Order | Family | Genus |
|---|---|---|---|---|---|
| Chromista | Ochrophyta | Bacillariophyceae | Thalassiosirales | Thalassiosiraceae | Porosira E.Jorgensen, 1905 |
| Rank | Scientific name | Taxonomic status |
|---|---|---|
| variety | Porosira glacialis var. antarctica (O.G.Kozlova) T.A.Villareal, 1990 | accepted |
| variety | Porosira glacialis var. glacialis | accepted |
Porosira glacialis (Grunow) Jörgensen, 1905. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-11-17.