Pflanzenreich Haeckel (1866) - plants Division Euthallophyta Subdivision Schizophyta Class Schizomycetes Nägeli (1857) see Class Schizomycetes Nägeli 1857 (Approved Lists 1980) 1 Family Coccaceae 2 Family Bacteriaceae 3 Family Spirillaceae Mig. (1894) see Family Spirillaceae Migula 1894 (Approved Lists 1980) 4 Family Chlamydobacteriaceae Mig. (1894) 5 Family Beggiatoaceae Mig. (1894) see Family Beggiatoaceae Migula 1894 (Approved Lists 1980)