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 | Arthropoda | |
| Class | Arachnida | |
| Order | Acariformes | |
| Family | Halcaridae |
List of all species - see Taxon profile using the number
| Genus Isobactrus | ||||
| Isobactrus microdens | Newell, 1984 | |||
| Genus Rhombognathus | ||||
| Rhombognathus plumifer | Trouessart, 1989 | |||