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 | Hemiaulales |
List of all species - see Taxon profile using the number
| Family Hemiaulaceae | ||||
| Eucampia antarctica | (Castracane) Mangin | |||
| Hemiaulus ambiguus | Janisch 1889 | |||
| Trinacria excavata | Heiberg 1863 | |||