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 | Nemata | |
| Class | Adenophorea | |
| Order | Araeolaimida |
List of all species - see Taxon profile using the number
| Family Plectidae | ||||
| Ceratoplectus armatus | (B¿tschli, 1873) Andrássy, 1981 | |||
| Chiloplectus masleni | Bostr¿m, 1997 | |||
| Plectus antarcticus | De Man, 1904 | Unsegmented roundworm | ||
| Plectus cf. antarcticus | ||||
| Plectus cf. armatus | ||||
| Plectus cf. belgicae | ||||
| Plectus cf. frigophilus | ||||
| Plectus cf. murrayi | ||||
| Plectus cf. tolerans | ||||
| Plectus frigophilus | Kiryanova, 1958 | Unsegmented roundworm | ||
| Plectus globilabiatus | Andrassy, 1963 | |||
| Plectus insolens | sp. n. | |||
| Plectus meridianus | sp. n. | |||
| Plectus tolerans | sp. n. | |||
| Family Rhabdolaimidae | ||||
| Rhabdolaimus sp. | ||||
| Family Teratocephalidae | ||||
| Teratocephalus sp. | Unsegmented roundworm | |||