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 Pontotrichaceae corrig. Peshkoff 1940 nom. inval. see Family Leucotrichaceae Buchanan 1957 (Approved Lists 1980) Genus Pontothrix Nadson and Krassilnikov 1932 nom. inval. see Genus Leucothrix Örsted 1844 (Approved Lists 1980)