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|Noun||1.||division Cyanophyta - prokaryotic organisms sometimes considered a class or phylum or subkingdom; coextensive with the Cyanophyceae: cyanobacteria (blue-green algae)|
division Eubacteria - one-celled monerans having simple cells with rigid walls and (in motile types) flagella
class Cyanobacteria, class Cyanophyceae, Cyanophyceae - photosynthetic bacteria found in fresh and salt water, having chlorophyll a and phycobilins; once thought to be algae: blue-green algae
division - (biology) a group of organisms forming a subdivision of a larger category