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 | Coscinodiscophyceae | |
| Order | Fragilariales | |
| Family | Fragilariaceae | |
| Genus | Ceratoneis |
List of Individual Species - see Taxon profile using the name of the taxa.
| Ceratoneis arcus | (Ehrenberg) Kitzing 1844 | Synonym | |
| Ceratoneis arcus var. hattoriana | Meister 1914 | Synonym | |
| Ceratoneis arcus var. vaucheriae | (Kitzing) Fukushima et Ko-Bayashi in Ko-Bayashi 19 | Synonym |