division Eubacteria - one-celled monerans having simple cells with rigid walls and (in motile types) flagella

class Schizomycetes, Schizomycetes - a former classification

family Myxophyceae, family Schizophyceae, Myxophyceae, Schizophyceae - former terms for Cyanophyceae

division - (biology) a group of organisms forming a subdivision of a larger category