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 | Chordata | |
| Class | Actinopterygii | |
| Order | Perciformes | |
| Family | Nototheniidae | |
| Genus | Gobionotothen |
List of Individual Species - see Taxon profile using the name of the taxa.
| Gobionotothen acuta | Gunther | Triangular Rockcod | |
| Gobionotothen barsukovi | Balushkin, 1991 | ||
| Gobionotothen gibberifrons | (Lönnberg, 1905) | Humped rockcod | |
| Gobionotothen marionensis | (Günther, 1880) | Lobe-lip notothen |