Genus: Cytostome at or ahead of equator (Illustrated Guide, 1985; cytostome behind equator
-->> Uropedalium, Urocyclon, Homalogastra). Anterior region not ciliated;
cytostome on the ventral side close to left border in the anterior half; contractile vacuole terminal
(Kudo, 1966). Ovoid, pyriform or elongate; cytostome small just above the equator; caudal cilium;
somatic ciliation bipolar; a macronucleus anterior; a contractile vacuole posterior (Carey, 1992).
Species:
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