Multiple choice Which of the following is not an example of Ciliata, which is a class phylum Protozoa? Paramecium Ephelota Opalina Nyctotherus Vorticella Reveal answer Fill a bubble to check yourself B Correct answer Explanation This is the correct option. Ephelota belongs to class Suctoria, and is not an example of Ciliata, a class phylum Protozoa.