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Haptophyceae: Isochrysidales: Derepyxidaceae
Prymnesiida:

Spongomonas sp.

Spongomonas Family: Two long flagella, 1-2 chloroplasts and 1-2 contractile vacuoles present (Starmach, 1985).
Genus: Cell body naked, colorless (without chloroplasts), a contractile vacuole present, colony embedded in a gelatinous matrix of various shape (Starmach, 1985).
Species:

Spongomonas sp. ?, cell body 5-7 μm in diam., x 640, Kannon-numa Forest Park (pond), Shimogo town, Fukushima Pref., Japan, July 10, 2005, collected by Eizaburo Tsukii, photo by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Spongomonas Spongomonas

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