Includes:
Amoeba proteus, Rhizopoda, w.m
Ceratium hirundinella, fresh-water Dinoflagellate w.m.
Eimeria stiedae, causing coccidiosis, t.s. of infected liver, different phases of developing
Euglena viridis, a common green flagellate, w.m.
Paramecium, a common ciliate, micro- and macronuclei stained
Plasmodium, causes human malaria, blood smear
Vorticella, a coloniate ciliate