[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Proteobacteria" Garrity et al. 2005 stat. inval. see Phylum Pseudomonadota Garrity et al. 2021
       Class Gammaproteobacteria Garrity et al. 2005
         Order Alteromonadales Bowman and McMeekin 2005
           Family Colwelliaceae Ivanova et al. 2004
             Genus Colwellia Deming et al. 1988
               1 Colwellia psychrerythraea corrig. (ex D'Aoust and Kushner 1972) Deming et al. 1988
               2 Colwellia aestuarii Jung et al. 2006
               3 Colwellia demingiae Bowman et al. 1998
               4 Colwellia hadaliensis Deming et al. 1988
               5 Colwellia hornerae Bowman et al. 1998
               6 Colwellia maris Yumoto et al. 1998
               7 Colwellia piezophila Nogi et al. 2004
               8 Colwellia psychrotropica Bowman et al. 1998
               9 Colwellia rossensis Bowman et al. 1998