Parameciidae are a family of ciliates in the order Peniculida; the body has differentiated anterior and posterior ends and is bounded by a hard but elastic pellicle. The family contains only the genus Paramecium, as well as the genus incertae sedis Physanter.[1]

"Paramecium aurelia"
Paramecium aurelia
Scientific classification e
Clade: SAR
Infrakingdom: Alveolata
Phylum: Ciliophora
Class: Oligohymenophorea
Order: Peniculida
Family: Parameciidae
Dujardin 1840[1]


  1. ^ a b Lynn D (2008). The Ciliated Protozoa: Characterization, Classification, and Guide to the Literature. Springer. p. 413. ISBN 978-1-4020-8239-9. Retrieved 7 November 2018.