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nounclass of protozoa having cilia or hairlike appendages on part or all of the surface during some part of the life cycle
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Definition that contains ciliata
- infusoria in some recent classifications, coextensive with the Ciliata: minute organisms found in decomposing infusions of organic matter
- subclass infusoria in some recent classifications, coextensive with the Ciliata: minute organisms found in decomposing infusions of organic matter