At any stage, you can move up or down the Taxonomic hierachy of Antarctic/subantarctic species by clicking on any name. Lower level taxon counts are shown in [].
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| Kingdom | Chromista | |
| Phylum | Heterokontophyta | |
| Class | Phaeophyceae | |
| Order | Chordariales |
List of all species - see Taxon profile using the number
| Family Adenocystaceae | ||||
| Adenocystis utricularis | (Bory) Skottsberg 1907 | |||
| Utriculidium durvillei | Skottsberg 1907 | |||
| Family Chordariaceae | ||||
| Chordaria linearis | (Hooker f. & Harvey) Cotton 1915 | |||
| Family Elachistaceae | ||||
| Elachista antarctica | Skottsberg 1953 | |||
| Leptonematella falklandica | (Skottsberg) MJ Wynne 1969 | |||
| Family Myrionemataceae | ||||
| Myrionema incommodum | Skottsberg 1907 | |||