[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 Betaproteobacteria Garrity et al. 2006
         Order Burkholderiales Garrity et al. 2006
           Family Alcaligenaceae De Ley et al. 1986
             Genus Achromobacter Yabuuchi and Yano 1981
               Achromobacter piechaudii (Kiredjian et al. 1986) Yabuuchi et al. 1998