Parameciidae

Parameciidae are a family of ciliated protozoans in the order Peniculid; the body has differentiated anterior and posterior ends and is bounded by a hard but elastic pellicle.

Parameciidae

Parameciidae are a family of ciliated protozoans in the order Peniculid; the body has differentiated anterior and posterior ends and is bounded by a hard but elastic pellicle.