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 | Echinodermata | |
| Class | Holothuroidea | |
| Order | Aspidochirotida |
List of all species - see Taxon profile using the number
| Family Synallactidae | ||||
| Bathyplotes bongraini | Vanay, 1914 | |||
| Bathyplotes gourdoni | (Vaney, 1914) | |||
| Meseres spiculiferus | O'Loughlin, 2002 | |||
| Mesothuria bifurcata | Hérouard, 1906 | |||
| Molpadiodemas crinitus | O'Loughlin & Ahern, 2005 | |||
| Molpadiodemas villosus | (Théel, 1886) | |||
| Pseudostichopus spiculiferus | (O'Loughlin, 2002) | |||