Mollicutes

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Mollicutes A class of bacteria in which the cells have no cell walls. Species may be saprotrophic but are usually parasitic (sometimes pathogenic) in animals or plants. There is 1 order, Mycoplasmatales, and 3 families, Acholeplasmataceae, Mycoplasmataceae, and Spiroplasmataceae, and at least 2 genera not included in any of the 3 families.