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|Noun||1.||division Archaebacteria - in some classifications considered a kingdom|
kingdom Monera, kingdom Prokaryotae, Monera, Prokayotae - prokaryotic bacteria and blue-green algae and various primitive pathogens; because of lack of consensus on how to divide the organisms into phyla informal names are used for the major divisions
archaebacteria, archaebacterium, archaeobacteria, archeobacteria - considered ancient life forms that evolved separately from bacteria and blue-green algae
division - (biology) a group of organisms forming a subdivision of a larger category