Family and Genus: Cell body cone- or heart-shaped; oral region large compared to vetral body surface
(Illustrated Guide, 1985).
Species:
Stokesia vernalis (Wang, 1928) Wenrich, 1929 ?,
cell body 88 μm long, 58 μm wide, trichocysts 8 μm long,
x 400, x 640, Mizumoto Park, Katsushika-ku, Tokyo, Japan, July 2001 by Y. Tsukii
50 μm
100 μm
150 μm; x 400
31 μm
63 μm
94 μm; x 640