Parameciidae
| Parameciidae | |
|---|---|
| Paramecium aurelia | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Clade: | Diaphoretickes | 
| Clade: | Sar | 
| Clade: | Alveolata | 
| Phylum: | Ciliophora | 
| Class: | Oligohymenophorea | 
| Order: | Peniculida | 
| Family: | Parameciidae Dujardin 1840 | 
| Genera | |
| 
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Parameciidae is a family of ciliates in the order Peniculida. Members of this family have differentiated anterior and posterior regions and are bounded by a hard but elastic pellicle. The family contains the genera Paramecium and Physanter.