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Dinophyceae: Peridiniales: Peridinaceae
Dinoflagellida: Diniferina: Peridiniidae


Scrippsiella Order: Cell body covered with theca; cingulum (horizontal groove) and sulcus (vertical groove) consipicuous.
Family: Apical pore present (Illustrations of The Japanese Fresh-water Algae, 1977).

Genus: Small, epitheca conical, hypotheca rounded; thecal plates with slight marginal ridges; chloroplasts present (Illustrated Guide, 1985).

Scrippsiella sp. (trochoidea ?), by H. Yoshino

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