Domain Bacteria Woese et al. 1990 Phylum Planctomycetes Garrity and Holt 2001 Class "Planctomycetacia" Order Planctomycetales Schlesner and Stackebrandt 1987 Family Planctomycetaceae Schlesner and Stackebrandt 1987 Genus Planctomyces Gimesi 1924 (Approved Lists 1980)