Genus Colwellia Deming et al. 1988
   1 Colwellia demingiae Bowman et al. 1998
   2 Colwellia hornerae Bowman et al. 1998
   3 Colwellia rossensis Bowman et al. 1998
   4 Colwellia psychrotropica Bowman et al. 1998