Parameciidae is a family of

ciliate The ciliates are a group of alveolates characterized by the presence of hair-like organelles called cilia, which are identical in structure to flagellum, eukaryotic flagella, but are in general shorter and present in much larger numbers, with a ...

s in the order

Peniculid The peniculids are an order of ciliate protozoa, including the well-known ''Paramecium'' and related genera, such as '' Frontonia'', '' Stokesia'', '' Urocentrum'' and '' Lembadion''. Most are relatively large, freshwater forms that feed by swee ...

a. Members of this family have differentiated

anterior Standard anatomical terms of location are used to unambiguously describe the anatomy of animals, including humans. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position prov ...

and posterior regions and are bounded by a hard but elastic pellicle. The family contains the genera ''

Paramecium '' ''Paramecium'' ( , ; also spelled ''Paramoecium'') is a genus of eukaryotic, unicellular ciliates, commonly studied as a representative of the ciliate group. ''Paramecia'' are widespread in freshwater, brackish, and marine environments and a ...

'' and '' Physanter''.

References

External links

* Ciliate families Oligohymenophorea {{Ciliate-stub