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 | Bacteria | |
| Phylum | Proteobacteria | |
| Class | Gammaproteobacteria | |
| Order | Alteromonadales | |
| Family | Colwelliaceae | |
| Genus | Colwellia |
List of Individual Species - see Taxon profile using the name of the taxa.
| Colwellia demingiae | Bowman et al. 1998 | Synonym | |
| Colwellia hornerae | Bowman et al. 1998 | Synonym | |
| Colwellia psychotropica | |||
| Colwellia psychroerythrus | Synonym | ||
| Colwellia rossensis | Bowman et al. 1998 | Synonym | |
| Colwellia sp. | Synonym |