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 | Animalia | |
| Phylum | Cnidaria | |
| Class | Hydrozoa | |
| Order | Trachymedusae | |
| Family | Rhopalonematidae |
List of all species - see Taxon profile using the number
| Genus Amphogona | ||||
| Amphogona apicata | Kramp 1957a | |||
| Genus Arctapodema | ||||
| Arctapodema ampla | (Vanhoffen 1902) | |||
| Arctapodema antarctica | (Vanhoffen 1912) | |||
| Arctapodema australis | (Vanhoffen 1912) | |||
| Genus Crossota | ||||
| Crossota brunnea | Vanhoffen 1902 | |||
| Genus Pantachogon | ||||
| Pantachogon haeckeli | (Maas 1893) | |||
| Pantachogon militare | (Maas 1893) | |||
| Pantachogon scotti | Browne 1910 | |||
| Genus Rhopalonema | ||||
| Rhopalonema funerarium | Vanhoffen 1902 | |||
| Rhopalonema velatum | Gegenbaur 1856 | |||