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 Eubacteriales Buchanan 1917 nom. inval. see Order Eubacteriales Buchanan 1917 (Approved Lists 1980) Family Bacillaceae Fischer 1895 nom. inval. Genus Clostridium Prazmowski 1880 nom. inval. Clostridium tetani (Flügge 1886) Bergey et al. 1923 (Approved Lists 1980)