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 Pseudomonadales Orla-Jensen 1921 nom. inval. see Order Pseudomonadales Orla-Jensen 1921 (Approved Lists 1980)
         Family Spirillaceae Migula 1894 nom. inval.
           1 Genus Cellfalcicula Winogradsky 1929 nom. inval.
           2 Genus Desulfofibrio (sic) "Kluyver and van Niel 1936" nom. inval.
           3 Genus Spirillum Ehrenberg 1832 nom. inval.
           4 Genus Vibrio Pacini 1854 nom. cons., nom. inval. see Genus Vibrio Pacini 1854 nom. cons. (Approved Lists 1980)