Paramecium is a phylum ciliate animal and is placed in the subphylum Ciliophora of the phylum Protozoa.

by- Indra Bhan

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The characteristic of ciliate animals is the cilia present in them which are in the form of a moving organ.

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Two types of nuclei are found in all ciliate animals,

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which are called Macronucleus and Micronucleus.

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Hence, it shows nuclear dimorphism.

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The number of micronuclei may be one or more in different species.

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For example, P. caudatum possesses single, large and well-organized micronuclei.

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The genus Paramecium is a phenotypic ciliate with 10 known species.

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Paramecium is found in ponds, lakes, and rivers.