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 Spirochaetales Buchanan 1917 nom. inval. see Order Spirochaetales Buchanan 1917 (Approved Lists 1980) Family Spirochaetaceae "Swellengrebel 1907" nom. inval. see Family Spirochaetaceae Swellengrebel 1907 (Approved Lists 1980) 1 Genus Spirochaeta Ehrenberg 1835 nom. inval. see Genus Spirochaeta Ehrenberg 1835 (Approved Lists 1980)