Dinophyceae:
Peridiniales: Peridinaceae
Dinoflagellida: Diniferina: Peridiniidae
Peridinium sp.
Ehrenberg
Genus (Ehrenberg): Body round to polygonal; cingulum median, deep; thecal plates 5-6 in cingulum;
some with apical and antapical horn (Illustrated Guide, 1985).
Epicone (or epitheca) consists of 11-14 thecal plates; hypocone (or hypotheca) of
7-8 thecal plates
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
|
Peridinium sp. ??,
cell body 17 μm long, 12 μm wide,
x 640, Tanohara Natural Park, Ontake highland, Otaki town, Nagano Pref., Japan, June 26, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Cell body 20 μm long, 15 μm wide, x 640
Peridinium,
cell body 18 μm long, 17 μm wide,
x 640, Tanohara Natural Park, Ontake highland, Otaki town, Nagano Pref., Japan, June 26, 2005 by Y. Tsukii
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