🔬Paramecium

Genus of unicellular ciliates, commonly studied as a representative of the ciliate group

Paramecium ( PARR-ə-MEE-s(ee-)əm, -⁠see-əm, plural "paramecia" only when used as a vernacular name) is a genus of eukaryotic, unicellular ciliates, widespread in freshwater, brackish, and marine environments.