Genus: Body small; ellipsoid or ovoid; somewhat compressed; pellicle with conspicuous spiral furrows;
cytostome a narrow slit at anterior extremity; with strong cilia on right margin of
slit; macronucleus ellipsoid to sausage-form; contractile vacuole posterior (Kudo, 1966).
Brosse dikinetids extend forward only to oral dikinetid (Illustrated Guide, 1985).
Species:
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