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Choanoflagellida: Codonosigidae

 Codosiga botrytis
or Codonosiga botrytis (Ehrenberg) Kent
Syn.: Epistylis botrytis Ehrenberg

Genus: Individuals clustered at end of a simple or branching stalk; fresh water (Kudo, 1966). Cells lacks periplast; collar well developed surrounding a single anterior flagellum; 2 or more posterior contractile vacuoles (Illustrated Guide, 1985).
Species: Cell body 8-30 μm long, cysts with thick wall (Starmach, 1985).

Codosiga botrytis, cell body 13 μm long, 8 μm wide, L/W=, stalk about 80 μm long, x 200, x 400, x 640, Shiba river, near Owada Park, Saitama city, Saitama Pref., Japan, April 3, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Codosiga botrytis Codosiga botrytis Codosiga botrytis Codosiga botrytis

Codosiga botrytis (Ehrenberg) Kent: Cell body 8-30 μm long, cysts with thick wall (Starmach, 1985).

Codosiga botrytis (Ehrenberg) Kent var. globulosa (Kent) Francé (Syn: Monosiga globulosa Kent): Cell body botryoidal (shaped like a bunch of grapes), 6-7 μm in diam. (Starmach, 1985).

Codosiga botrytis (Ehrenberg) Kent var. pyriformis (Kent) Francé (Syn: Codonosiga pyriformis Kent): Cell body 6-25 μm long (Starmach, 1985).

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