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Chlorophyceae: Chlamydomonadales (Volvocales): Chlamydomonadaceae
Volvocida: Chlamydomonadina: Chlamydomonadidae

 Clamydomonas simplex
Pascher 1927

Chlamydomonas Species: Cell body spherical in shape, 12-21 μm in diam. (zygote 14-16 μm); a small conical papilla present; a spherical pyrenoid located near posterior end; stigma circular or slightly elliptical in shape, located anterior half of the cell surface; a nucleus anterior (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).

Chlamydomonas simplex Pascher ??, conical papilla present, cell body 16 μm long (including papilla 1 μm), 11.5 μm wide, x 640, Kurome river, Asaka city, Saitama Pref., Japan, December 26, 2004 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Chlamydomonas Chlamydomonas

cf.
C. moewusii Gerloff: 9-16 μm long, 5-8 μm wide; ellipsoidal to subcylindrical; chloroplast urn-shaped; pyrenoid laterial; stigma present (Illustrated Guide, 1985).

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