Genus: Barrel-shaped; with well-developed adhesive basal disk, and a skeletal ring with radially
arranged denticles (Kudo, 1966).
Trichodina sp.,
cell body 53 μm in diam.,
x 400, x 640, Shinobazu-ike (pond), Ueno, Taito-ku, Tokyo, Japan, March 2001 by Y. Tsukii
50 μm
100 μm
150 μm; x 400