Dinophyceae
: Gymnodiniales: Gymnodiniaceae
Dinoflagellida: Diniferina: Gymnodiniidae
Hemidinium
sp.
F. Stein 1878 (John et al. eds. 2002)
Order: Cell body without
theca
(Illustrations of The Japanese Fresh-water Algae, 1977).
Family:
Genus:
Hemidinium
sp. (or
Gymnodinium
?), cell body
23
μm long,
15
μm wide, x 640, rice field, Kamishiro, Hakuba village, Nagano Pref., Japan, October 3, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
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