Uronema

Oligohymenophorea: Hymenostomatia: Scuticociliatida: Philasterina: Uronematidae

Uronema
Dujardin, 1841

Suborder: Paroral dikinetid shorter than other oral structures; no ribbed wall from paroral dikinetids towards cytostome (Illustrated Guide, 1985).
Family: Small, < 50 μm, ovoid; anterior pole flat, round, unciliated; scuticovestige ciliated; long oral area.

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).


Uronema, x 400, x 640, Uruguay Nov. 1999, photo by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640

Uronema ?, x 400, x 640, Uruguay Nov. 1999, photo by Yuuji Tsukii


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