Paramecium Paramecium is a genus of single-celled, microscopic organisms belonging to the group of protists called ciliates. These organisms are characterized by their cilia, which are hair-like structures that cover their outer surface and are used for locomotion and feeding. Paramecia are typically found in freshwater environments, such as ponds, lakes, and streams. 1.0 Paramecium Classification Domain : Eukaryota Kingdom : Protista Phylum : Ciliophora Class : Oligohymenophorea Order ... Paramecium or paramecia are single-celled protists that are naturally found in aquatic habitats. They are typically oblong or slipper-shaped and are covered with short hairy structures called ... General Description of ParameciumGeneral Description of Paramecium Paramecium is a unicellular, microscopic, free-living organisms. It is the most common ciliates, characterized by the presence of cilia, nuclear dimorphism and unique type of sexual reproduction (conjugation). History Paramecium was named by John Hill in 1752. Antony van Leeuwenhoek described about paramecium . Different species of paramecium are grouped into two categories Learn about Paramecium , a free-living, motile, single-cell organism that belongs to the kingdom Protista. Find out its anatomy, nutrition, reproduction, and classification with diagrams and examples.