plantenrijk Haeckel (1866) - plants
   [Division] Protophyta Sachs (1874) - primitive plants
     Class Schizomycetes Nägeli 1857 nom. inval. - bacteria and related forms see Class Schizomycetes Nägeli 1857 (Approved Lists 1980) nom. illeg., nom. rej.
       Order Chlamydobacteriales Buchanan 1917 nom. inval.
         Family Chlamydobacteriaceae Migula 1894 nom. inval.
           Genus Chlamydobacterium nom. vernac. see Genus Klebsiella Trevisan 1885 (Approved Lists 1980) nom. cons.