[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010
       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