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 | Ochrophyta | |
| Class | Diatomophyceae/Bacillariophyceae | |
| Order | Unknown | |
| Family | Unknown | |
| Genus | Gomphonema |
List of Individual Species - see Taxon profile using the name of the taxa.
| Gomphonema acuminatum var. coronatum | (Ehrenberg) W. Smith 1853 | ||
| Gomphonema affine var. kerguelense | (Manguin) Germain et Le Cohu 1981/? | ||
| Gomphonema angustatum var. angustatum | |||
| Gomphonema angustatum var. producta | Grunow in Van Heurck 1880-1885 | Synonym | |
| Gomphonema exiguum | Kitzing 1844 | Synonym | |
| Gomphonema kamtschaticum var. antarctica | M. Peragallo 1921 | Synonym | |
| Gomphonema kerguelense | Manguin in Bourrelly et Manguin 1954/? | Synonym | |
| Gomphonema olivaceum | (Hornemann) BrÚbisson 1838 | ||
| Gomphonema olivaceum var. tenellum | (Kitzing) Cleve 1894 | ||
| Gomphonema parvulum | Kitz. | ||
| Gomphonema parvulum var. subelliptica | Cleve 1894 | Synonym | |
| Gomphonema productum | (Grunow) Lange-Bertalot et Reichardt in Lange-Bert | ||
| Gomphonema sp. |