Genus: Small, ovoid, but plastic; cytostome anterior; encystment common (Kudo, 1966). Cytostome at the tip of a short
which is ventral or tateral to the flagellar pocket (Illustrated Guide, 1985).
?, cell body
μm wide, flagellum
μm long, x 400, x 640, Uruguay, November 1999, photo by Yuuji Tsukii
150 μm; x 400 :
94 μm; x 640
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