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Haptophyceae: Isochrysidales: Derepyxidaceae
Prymnesiida:

Spongomonas intestinum
(Cienkowski) Kent
Syn.: Phalansterium intestinum Cienkowski

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: colony within a gelatinous matrix straight or curved (Starmach, 1985).

Spongomonas intestinum, cell body slightly ellipsoidal, 8 μm long, 7 μm wide, L/W=1.1, x 100, x 200, x 400, x 640, Onnenai, Kushiro marsh, Kushiro city, Hokkaido, Japan, October 16, 2005 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Spongomonas intestinum Spongomonas intestinum Spongomonas intestinum
x 200, x 400
Spongomonas intestinum Spongomonas intestinum
x 640
Spongomonas intestinum Spongomonas intestinum Spongomonas intestinum Spongomonas intestinum Spongomonas intestinum Spongomonas intestinum

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