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

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.